Hecho matemático: 5624 is the number of binary 5×5 matrices up to permutations of rows and columns.
Trivia: 5624 is a boring number.
Fecha histórica: May 25th is the day in 1955 that First ascent of Kangchenjunga (8,586 m.), the third highest mountain in the world, by a British expedition led by Joe Brown and George Band.