57031677 has 6 divisors (see below), whose sum is σ = 82379102. Its totient is φ = 38021112.

The previous prime is 57031627. The next prime is 57031721. The reversal of 57031677 is 77613075.

57031677 is a `hidden beast` number, since 570 + 3 + 16 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 27154521 = 5466^2 + 5211^2 .

It is not a de Polignac number, because 57031677 - 2⁶ = 57031613 is a prime.

It is a super-2 number, since 2×57031677² = 6505224362864658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3168418 + ... + 3168435.

Almost surely, 2^57031677 is an apocalyptic number.

It is an amenable number.

57031677 is a deficient number, since it is larger than the sum of its proper divisors (25347425).

57031677 is a wasteful number, since it uses less digits than its factorization.

57031677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336859 (or 6336856 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 57031677 is about 7551.9320044608. The cubic root of 57031677 is about 384.9213917208.

The spelling of 57031677 in words is "fifty-seven million, thirty-one thousand, six hundred seventy-seven".