57696131 has 2 divisors, whose sum is σ = 57696132. Its totient is φ = 57696130.

The previous prime is 57696101. The next prime is 57696139. The reversal of 57696131 is 13169675.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57696131 is a prime.

It is a super-2 number, since 2×57696131² = 6657687064738322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57696139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28848065 + 28848066.

It is an arithmetic number, because the mean of its divisors is an integer number (28848066).

Almost surely, 2^57696131 is an apocalyptic number.

57696131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57696131 is an equidigital number, since it uses as much as digits as its factorization.

57696131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 57696131 is about 7595.7969298817. The cubic root of 57696131 is about 386.4104804035.

The spelling of 57696131 in words is "fifty-seven million, six hundred ninety-six thousand, one hundred thirty-one".