57695531 has 2 divisors, whose sum is σ = 57695532. Its totient is φ = 57695530.

The previous prime is 57695507. The next prime is 57695563. The reversal of 57695531 is 13559675.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57695531 is a prime.

It is a super-2 number, since 2×57695531² = 6657548594743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57695581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28847765 + 28847766.

It is an arithmetic number, because the mean of its divisors is an integer number (28847766).

Almost surely, 2^57695531 is an apocalyptic number.

57695531 is a deficient number, since it is larger than the sum of its proper divisors (1).

57695531 is an equidigital number, since it uses as much as digits as its factorization.

57695531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141750, while the sum is 41.

The square root of 57695531 is about 7595.7574342524. The cubic root of 57695531 is about 386.4091409313.

The spelling of 57695531 in words is "fifty-seven million, six hundred ninety-five thousand, five hundred thirty-one".