55 may refer to:
*
55 (number)
*
55 BC
*
AD 55
*
1955
*
2055
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 li ...
Science
*Caesium, by the element's
atomic number
The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei, this is equal to the proton number (''n''p) or the number of protons found in the nucleus of every ...
Astronomy
*Messier object
M55, a magnitude 7.0 globular cluster in the constellation Sagittarius
*The New General Catalogue object
NGC 55
NGC 55, is a Magellanic type barred spiral galaxy located about 6.5 million light-years away in the constellation Sculptor. Along with its neighbor NGC 300, it is one of the closest galaxies to the Local Group, probably lying between the Milky ...
, a magnitude 7.9 barred spiral galaxy in the constellation Sculptor
Transportation
*The highest speed limit allowed in the United States between 1974 and 1986 per the
National Maximum Speed Law
The National Maximum Speed Limit (NMSL) was a provision of the federal government of the United States 1974 Emergency Highway Energy Conservation Act that effectively prohibited speed limits higher than . It was drafted in response to oil price ...
*
Highway 55
The following highways are numbered 55:
International
* European route E55
* Arab Mashreq route M55
Argentina
* San Luis Provincial Route 55
Australia
* Carnarvon Highway
* Castlereagh Highway
* Karoonda Highway
Belgium
* N55 road (Belgiu ...
, several roads
*
Route 55 (disambiguation), bus and tram routes
Film
*''
55 Days at Peking'' a film starring Charlton Heston and David Niven
Other uses
*
Gazeta 55, an Albanian newspaper
*
Agitation and Propaganda against the State, also known as Constitution law 55, a law during Communist Albania.
*
+55, the code for international direct dial phone calls to Brazil
*5:5, law enforcement code for
handcuffs
*
''55'' (album), by the Knocks
*"55 (Hamsa oua Hamsine)", an instrumental by the Master Musicians of Joujouka from ''
Brian Jones Presents the Pipes of Pan at Joujouka''
*"Fifty Five", a song by Karma to Burn from the album ''
Arch Stanton'', 2014
See also
*
55th Regiment of Foot (disambiguation)
*
Channel 55 (disambiguation)
*
Type 55 (disambiguation)
*
Class 55 (disambiguation)
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