57137964 has 24 divisors (see below), whose sum is σ = 143577840. Its totient is φ = 17580864.

The previous prime is 57137939. The next prime is 57137987. The reversal of 57137964 is 46973175.

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, 182979 + ... + 183290.

It is an arithmetic number, because the mean of its divisors is an integer number (5982410).

Almost surely, 2^57137964 is an apocalyptic number.

It is an amenable number.

57137964 is an abundant number, since it is smaller than the sum of its proper divisors (86439876).

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

57137964 is a wasteful number, since it uses less digits than its factorization.

57137964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366289 (or 366287 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 57137964 is about 7558.9658022775. The cubic root of 57137964 is about 385.1603627226.

The spelling of 57137964 in words is "fifty-seven million, one hundred thirty-seven thousand, nine hundred sixty-four".