50 (fifty) is the
natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, and so on, possibly excluding 0. Some start counting with 0, defining the natural numbers as the non-negative integers , while others start with 1, defining them as the positive in ...
following
49 and preceding
51.
In mathematics
Fifty is the smallest number that is the sum of two non-zero
square numbers in two distinct ways. 50 is a
Stirling number of the first kind and a
Narayana number
In combinatorics, the Narayana numbers \operatorname(n, k), n \in \mathbb^+, 1 \le k \le n form a triangular array of natural numbers, called the Narayana triangle, that occur in various Combinatorial enumeration, counting problems. They are named ...
.
In science
* The fifth
magic number in nuclear physics
In religion
* The traditional number of years in a
jubilee period.
[Leviticus 25:10]
* The
Solemnity
In the liturgical calendar of the Roman Rite, a solemnity is a feast day of the highest rank celebrating a mystery of faith such as the Trinity, an event in the life of Jesus, his mother Mary, his legal father Joseph, or another important ...
of
Pentecost
Pentecost (also called Whit Sunday, Whitsunday or Whitsun) is a Christianity, Christian holiday which takes place on the 49th day (50th day when inclusive counting is used) after Easter Day, Easter. It commemorates the descent of the Holy Spiri ...
is celebrated fifty days from and including Easter Sunday. The Greek word pentekoste means fiftieth, hence the name.
* The fifty
Hail Mary during the meditation of the mysteries of the life of Jesus and the Virgin Mary of the
Holy Rosary
* In Hindu
tantric tradition, the number 50 holds significance as the 50
Rudras in the
Malinīvijayottara correlate with the 50
phoneme
A phoneme () is any set of similar Phone (phonetics), speech sounds that are perceptually regarded by the speakers of a language as a single basic sound—a smallest possible Phonetics, phonetic unit—that helps distinguish one word fr ...
s of
Sanskrit
Sanskrit (; stem form ; nominal singular , ,) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in northwest South Asia after its predecessor languages had Trans-cultural ...
, as well as with the 50 severed heads worn around goddess
Kali's head. The
mantra
A mantra ( ; Pali: ''mantra'') or mantram (Devanagari: मन्त्रम्) is a sacred utterance, a numinous sound, a syllable, word or phonemes, or group of words (most often in an Indo-Iranian language like Sanskrit or Avestan) belie ...
''Aham'' ("I am"), as laid out in the
Vijñāna Bhairava represents the first अ(a) and last ह(ha) phonemes of the Sanskrit alphabet and is believed to represent
ultimate reality, in accordance with its
non-dual philosophy.
In other fields
* The
percentage
In mathematics, a percentage () is a number or ratio expressed as a fraction (mathematics), fraction of 100. It is often Denotation, denoted using the ''percent sign'' (%), although the abbreviations ''pct.'', ''pct'', and sometimes ''pc'' are ...
(50%) equivalent to one half, so that the phrase "fifty-fifty" commonly expresses something divided equally in two; in business this is often denoted as being the ultimate in equal partnership
* In years of marriage, the gold or "golden"
wedding anniversary
A wedding anniversary is the anniversary of the date that a wedding took place. Couples often mark the occasion by celebrating their relationship, either privately or with a larger party. Special celebrations and gifts are often given for partic ...
References
{{DEFAULTSORT:50 (Number)
*
Integers