Fatto generale: 5548 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5548 is a boring number.
Trivia: 5548 is an unremarkable number.
Data storica: March 10th is the day in 1933 that an earthquake in Long Beach, California kills 115 people and causes an estimated $40 million dollars in damage.