57523137 has 16 divisors (see below), whose sum is σ = 87940992. Its totient is φ = 32762880.

The previous prime is 57523117. The next prime is 57523181. The reversal of 57523137 is 73132575.

It is not a de Polignac number, because 57523137 - 2²³ = 49134529 is a prime.

It is a super-2 number, since 2×57523137² = 6617822580641538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57523098 and 57523107.

It is not an unprimeable number, because it can be changed into a prime (57523117) 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, 2337 + ... + 10977.

It is an arithmetic number, because the mean of its divisors is an integer number (5496312).

Almost surely, 2^57523137 is an apocalyptic number.

It is an amenable number.

57523137 is a deficient number, since it is larger than the sum of its proper divisors (30417855).

57523137 is a wasteful number, since it uses less digits than its factorization.

57523137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968.

The product of its digits is 22050, while the sum is 33.

The square root of 57523137 is about 7584.4008992141. The cubic root of 57523137 is about 386.0238940170.

The spelling of 57523137 in words is "fifty-seven million, five hundred twenty-three thousand, one hundred thirty-seven".