Fait général: 5556 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5556 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 5556 is an unremarkable number.
Date historique: March 18th is the day in 1959 that President Dwight D. Eisenhower signs a bill into law allowing for Hawaiian statehood, which would become official on August 21.