57160831 has 16 divisors (see below), whose sum is σ = 70873600. Its totient is φ = 44890848.

The previous prime is 57160823. The next prime is 57160853. The reversal of 57160831 is 13806175.

It is a cyclic number.

It is not a de Polignac number, because 57160831 - 2³ = 57160823 is a prime.

It is a super-2 number, since 2×57160831² = 6534721201221122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57160793 and 57160802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57160801) 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, 10390 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (4429600).

Almost surely, 2^57160831 is an apocalyptic number.

57160831 is a deficient number, since it is larger than the sum of its proper divisors (13712769).

57160831 is a wasteful number, since it uses less digits than its factorization.

57160831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 57160831 is about 7560.4782256151. The cubic root of 57160831 is about 385.2117371313.

The spelling of 57160831 in words is "fifty-seven million, one hundred sixty thousand, eight hundred thirty-one".