57137564 has 12 divisors (see below), whose sum is σ = 109080888. Its totient is φ = 25971600.

The previous prime is 57137519. The next prime is 57137567. The reversal of 57137564 is 46573175.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57137567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649247 + ... + 649334.

It is an arithmetic number, because the mean of its divisors is an integer number (9090074).

Almost surely, 2^57137564 is an apocalyptic number.

It is an amenable number.

57137564 is a deficient number, since it is larger than the sum of its proper divisors (51943324).

57137564 is a wasteful number, since it uses less digits than its factorization.

57137564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298596 (or 1298594 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 57137564 is about 7558.9393435852. The cubic root of 57137564 is about 385.1594639360.

The spelling of 57137564 in words is "fifty-seven million, one hundred thirty-seven thousand, five hundred sixty-four".