57328860 has 24 divisors (see below), whose sum is σ = 160520976. Its totient is φ = 15287680.

The previous prime is 57328849. The next prime is 57328891. The reversal of 57328860 is 6882375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477681 + ... + 477800.

It is an arithmetic number, because the mean of its divisors is an integer number (6688374).

Almost surely, 2^57328860 is an apocalyptic number.

It is an amenable number.

57328860 is an abundant number, since it is smaller than the sum of its proper divisors (103192116).

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

57328860 is a wasteful number, since it uses less digits than its factorization.

57328860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955493 (or 955491 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 57328860 is about 7571.5823973592. The cubic root of 57328860 is about 385.5888218238.

The spelling of 57328860 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred sixty".