57112613 has 8 divisors (see below), whose sum is σ = 60966720. Its totient is φ = 53343360.

The previous prime is 57112589. The next prime is 57112619. The reversal of 57112613 is 31621175.

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 57112613 - 2⁸ = 57112357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57112619) 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, 19820 + ... + 22517.

It is an arithmetic number, because the mean of its divisors is an integer number (7620840).

Almost surely, 2^57112613 is an apocalyptic number.

It is an amenable number.

57112613 is a deficient number, since it is larger than the sum of its proper divisors (3854107).

57112613 is a wasteful number, since it uses less digits than its factorization.

57112613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42427.

The product of its digits is 1260, while the sum is 26.

The square root of 57112613 is about 7557.2887334017. The cubic root of 57112613 is about 385.1033915830.

Adding to 57112613 its reverse (31621175), we get a palindrome (88733788).

The spelling of 57112613 in words is "fifty-seven million, one hundred twelve thousand, six hundred thirteen".