57377131 has 16 divisors (see below), whose sum is σ = 69506560. Its totient is φ = 46267200.

The previous prime is 57377129. The next prime is 57377161. The reversal of 57377131 is 13177375.

It is a happy number.

It is not a de Polignac number, because 57377131 - 2¹ = 57377129 is a prime.

It is a super-2 number, since 2×57377131² = 6584270323582322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57377101) 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, 18655 + ... + 21511.

It is an arithmetic number, because the mean of its divisors is an integer number (4344160).

Almost surely, 2^57377131 is an apocalyptic number.

57377131 is a deficient number, since it is larger than the sum of its proper divisors (12129429).

57377131 is a wasteful number, since it uses less digits than its factorization.

57377131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its digits is 15435, while the sum is 34.

The square root of 57377131 is about 7574.7693694264. The cubic root of 57377131 is about 385.6970136168.

The spelling of 57377131 in words is "fifty-seven million, three hundred seventy-seven thousand, one hundred thirty-one".