Fait général: 5524 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5524 is an unremarkable number.
Culture générale: 5524 is an unremarkable number.
Date historique: February 14th is the day in 1879 that the War of the Pacific breaks out when Chilean armed forces occupy the Bolivian port city of Antofagasta.