55560928 has 24 divisors (see below), whose sum is σ = 112916160. Its totient is φ = 26883840.

The previous prime is 55560917. The next prime is 55560931. The reversal of 55560928 is 82906555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27013 + ... + 28996.

It is an arithmetic number, because the mean of its divisors is an integer number (4704840).

Almost surely, 2^55560928 is an apocalyptic number.

It is an amenable number.

55560928 is an abundant number, since it is smaller than the sum of its proper divisors (57355232).

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

55560928 is a wasteful number, since it uses less digits than its factorization.

55560928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56050 (or 56042 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 55560928 is about 7453.9203108163. The cubic root of 55560928 is about 381.5837136153.

The spelling of 55560928 in words is "fifty-five million, five hundred sixty thousand, nine hundred twenty-eight".