57697525 has 12 divisors (see below), whose sum is σ = 71655012. Its totient is φ = 46087040.

The previous prime is 57697517. The next prime is 57697561. The reversal of 57697525 is 52579675.

It can be written as a sum of positive squares in 6 ways, for example, as 271441 + 57426084 = 521^2 + 7578^2 .

It is not a de Polignac number, because 57697525 - 2³ = 57697517 is a prime.

It is a super-2 number, since 2×57697525² = 6658008782251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20079 + ... + 22771.

It is an arithmetic number, because the mean of its divisors is an integer number (5971251).

Almost surely, 2^57697525 is an apocalyptic number.

It is an amenable number.

57697525 is a deficient number, since it is larger than the sum of its proper divisors (13957487).

57697525 is a wasteful number, since it uses less digits than its factorization.

57697525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3555 counting only the distinct ones).

The product of its digits is 661500, while the sum is 46.

The square root of 57697525 is about 7595.8886906010. Note that the first 3 decimals coincide. The cubic root of 57697525 is about 386.4135924081.

The spelling of 57697525 in words is "fifty-seven million, six hundred ninety-seven thousand, five hundred twenty-five".