Fait général: 50392 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 50392 is an uninteresting number.
Culture générale: 50392 is an unremarkable number.
Date historique: December 19th is the day in 1963 that Zanzibar gains independence from the United Kingdom as a constitutional monarchy, under Sultan Jamshid bin Abdullah.