55 may refer to: *

55 (number) 55 (fifty-five) is the natural number following 54 (number), 54 and preceding 56 (number), 56. Mathematics 55 is *a triangular number (the sum of the consecutive numbers 1 to 10), and a doubly triangular number. *the 10th Fibonacci number. It is ...

55 BC __NOTOC__ Year 55 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Crassus and Pompey (or, less frequently, year 699 ''Ab urbe condita''). The denomination 55 BC for this year has been us ...

*AD 55 *1955 *2055

Science

*Caesium, by the element's atomic number

Astronomy

*Messier object Messier 55, M55, a magnitude 7.0 globular cluster in the constellation Sagittarius *The New General Catalogue object NGC 55, 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 *Highway 55, 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), ''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

Science

Astronomy

Transportation

Film

Other uses

See also