57331392 has 28 divisors (see below), whose sum is σ = 151689816. Its totient is φ = 19110400.

The previous prime is 57331381. The next prime is 57331409. The reversal of 57331392 is 29313375.

57331392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149109 + ... + 149492.

Almost surely, 2^57331392 is an apocalyptic number.

It is an amenable number.

57331392 is an abundant number, since it is smaller than the sum of its proper divisors (94358424).

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

57331392 is a wasteful number, since it uses less digits than its factorization.

57331392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298616 (or 298606 counting only the distinct ones).

The product of its digits is 17010, while the sum is 33.

The square root of 57331392 is about 7571.7495996632. The cubic root of 57331392 is about 385.5944984092.

The spelling of 57331392 in words is "fifty-seven million, three hundred thirty-one thousand, three hundred ninety-two".