57891136 has 28 divisors (see below), whose sum is σ = 118587520. Its totient is φ = 28010880.

The previous prime is 57891133. The next prime is 57891179. The reversal of 57891136 is 63119875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57891133) 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, 12606 + ... + 16573.

Almost surely, 2^57891136 is an apocalyptic number.

It is an amenable number.

57891136 is an abundant number, since it is smaller than the sum of its proper divisors (60696384).

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

57891136 is a wasteful number, since it uses less digits than its factorization.

57891136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222 (or 29212 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 57891136 is about 7608.6224771637. The cubic root of 57891136 is about 386.8453289821.

The spelling of 57891136 in words is "fifty-seven million, eight hundred ninety-one thousand, one hundred thirty-six".