57426931 has 8 divisors (see below), whose sum is σ = 60529680. Its totient is φ = 54399072.

The previous prime is 57426913. The next prime is 57426947. The reversal of 57426931 is 13962475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57426931 - 2⁵ = 57426899 is a prime.

It is a super-2 number, since 2×57426931² = 6595704808157522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57426431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17145 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (7566210).

Almost surely, 2^57426931 is an apocalyptic number.

57426931 is a deficient number, since it is larger than the sum of its proper divisors (3102749).

57426931 is a wasteful number, since it uses less digits than its factorization.

57426931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37445.

The product of its digits is 45360, while the sum is 37.

The square root of 57426931 is about 7578.0558852518. The cubic root of 57426931 is about 385.8085688454.

The spelling of 57426931 in words is "fifty-seven million, four hundred twenty-six thousand, nine hundred thirty-one".