55298980 has 24 divisors (see below), whose sum is σ = 126685440. Its totient is φ = 20108640.

The previous prime is 55298963. The next prime is 55298983. The reversal of 55298980 is 8989255.

It is a self number, because there is not a number n which added to its sum of digits gives 55298980.

It is not an unprimeable number, because it can be changed into a prime (55298983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125460 + ... + 125899.

It is an arithmetic number, because the mean of its divisors is an integer number (5278560).

Almost surely, 2^55298980 is an apocalyptic number.

It is an amenable number.

55298980 is an abundant number, since it is smaller than the sum of its proper divisors (71386460).

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

55298980 is a wasteful number, since it uses less digits than its factorization.

55298980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251379 (or 251377 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 55298980 is about 7436.3283951154. The cubic root of 55298980 is about 380.9830961792.

The spelling of 55298980 in words is "fifty-five million, two hundred ninety-eight thousand, nine hundred eighty".