52 may refer to:
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52 (number)
52 (fifty-two) is the natural number following 51 and preceding 53.
In mathematics
Fifty-two is
* the 5th Bell number, the number of ways to partition a set of 5 objects.
* a decagonal number.
* an untouchable number, since it is never the su ...
* one of the years
52 BC
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Year 52 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Pompeius and Scipio (or, less frequently, year 702 ''Ab urbe condita''). The denomination 52 BC for this year has b ...
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AD 52
AD 52 ( LII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Sulla and Otho (or, less frequently, year 805 ''Ab urbe condita''). The de ...
,
1952
Events January–February
* January 26 – Black Saturday in Egypt: Rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
* February 6
** Princess Elizabeth, Duchess of Edinburgh, becomes m ...
,
2052
In contemporary history, the third millennium of the anno Domini or Common Era in the Gregorian calendar is the current millennium spanning the years 2001 to 3000 ( 21st to 30th centuries). Ongoing futures studies seek to understand what is l ...
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52-hertz whale
The 52-hertz whale, colloquially referred to as 52 Blue, is an individual whale of unidentified species that calls at the unusual frequency of 52 hertz. This pitch is at a higher frequency than that of the other whale species with migration ...
an individual male whale, also known as the loneliest whale, calling at the unusual 52 hertz range
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''52'' (comics), a 2006–07 American weekly comic book series
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