57765928 has 32 divisors (see below), whose sum is σ = 124380000. Its totient is φ = 24874560.

The previous prime is 57765907. The next prime is 57765931. The reversal of 57765928 is 82956775.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15603 + ... + 18946.

It is an arithmetic number, because the mean of its divisors is an integer number (3886875).

Almost surely, 2^57765928 is an apocalyptic number.

It is an amenable number.

57765928 is an abundant number, since it is smaller than the sum of its proper divisors (66614072).

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

57765928 is a wasteful number, since it uses less digits than its factorization.

57765928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34585 (or 34581 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 57765928 is about 7600.3899899939. The cubic root of 57765928 is about 386.5662356422.

The spelling of 57765928 in words is "fifty-seven million, seven hundred sixty-five thousand, nine hundred twenty-eight".