57269931 has 16 divisors (see below), whose sum is σ = 80434944. Its totient is φ = 36173984.

The previous prime is 57269903. The next prime is 57269939. The reversal of 57269931 is 13996275.

It is a cyclic number.

It is not a de Polignac number, because 57269931 - 2⁵ = 57269899 is a prime.

It is a super-2 number, since 2×57269931² = 6559689993489522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57269939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (5027184).

Almost surely, 2^57269931 is an apocalyptic number.

57269931 is a deficient number, since it is larger than the sum of its proper divisors (23165013).

57269931 is a wasteful number, since it uses less digits than its factorization.

57269931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890.

The product of its digits is 102060, while the sum is 42.

The square root of 57269931 is about 7567.6899381515. The cubic root of 57269931 is about 385.4566594559.

The spelling of 57269931 in words is "fifty-seven million, two hundred sixty-nine thousand, nine hundred thirty-one".