Fait mathématique: 49618 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 49618 is an unremarkable number.
Date historique: November 6th is the day in 1971 that the United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.