Fatto matematico: 5464 is the number of subsets of {1,2,3,...,16} that have a sum divisible by 12.
Trivia: 5464 is an unremarkable number.
Data storica: December 16th is the day in 1950 that U.S. President Harry S. Truman declares a state of emergency, after Chinese troops enter the fight with communist North Korea in the Korean War.