Fatto generale: 55490 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 55490 is a boring number.
Trivia: 55490 is a boring number.
Data storica: December 4th is the day in 1979 that the Hastie fire in Hull, kills three schoolboys and eventually leads police to arrest Bruce George Peter Lee.