57642937 has 16 divisors (see below), whose sum is σ = 66960000. Its totient is φ = 49040640.

The previous prime is 57642931. The next prime is 57642947. The reversal of 57642937 is 73924675.

It is not a de Polignac number, because 57642937 - 2²³ = 49254329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57642893 and 57642902.

It is not an unprimeable number, because it can be changed into a prime (57642931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36439 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 2^57642937 is an apocalyptic number.

It is an amenable number.

57642937 is a deficient number, since it is larger than the sum of its proper divisors (9317063).

57642937 is a wasteful number, since it uses less digits than its factorization.

57642937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its digits is 317520, while the sum is 43.

The square root of 57642937 is about 7592.2945806917. The cubic root of 57642937 is about 386.2916911600.

The spelling of 57642937 in words is "fifty-seven million, six hundred forty-two thousand, nine hundred thirty-seven".