55498980 has 48 divisors (see below), whose sum is σ = 157538304. Its totient is φ = 14595840.

The previous prime is 55498979. The next prime is 55498987. The reversal of 55498980 is 8989455.

It is a happy number.

It is a super-3 number, since 3×55498980³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55498987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (3282048).

Almost surely, 2^55498980 is an apocalyptic number.

It is an amenable number.

55498980 is an abundant number, since it is smaller than the sum of its proper divisors (102039324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55498980 is a wasteful number, since it uses less digits than its factorization.

55498980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756 (or 12754 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 55498980 is about 7449.7637546435. The cubic root of 55498980 is about 381.4418445032.

The spelling of 55498980 in words is "fifty-five million, four hundred ninety-eight thousand, nine hundred eighty".