57412531 has 16 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 49556320.

The previous prime is 57412469. The next prime is 57412549. The reversal of 57412531 is 13521475.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-57412531 is a prime.

It is a super-2 number, since 2×57412531² = 6592397431651922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57412531.

It is not an unprimeable number, because it can be changed into a prime (57412561) 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, 36936 + ... + 38458.

It is an arithmetic number, because the mean of its divisors is an integer number (4114800).

Almost surely, 2^57412531 is an apocalyptic number.

57412531 is a deficient number, since it is larger than the sum of its proper divisors (8424269).

57412531 is a wasteful number, since it uses less digits than its factorization.

57412531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its digits is 4200, while the sum is 28.

The square root of 57412531 is about 7577.1057139253. The cubic root of 57412531 is about 385.7763185422.

The spelling of 57412531 in words is "fifty-seven million, four hundred twelve thousand, five hundred thirty-one".