57112697 has 4 divisors (see below), whose sum is σ = 57529716. Its totient is φ = 56695680.

The previous prime is 57112669. The next prime is 57112709. The reversal of 57112697 is 79621175.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29822521 + 27290176 = 5461^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 57112697 - 2¹⁸ = 56850553 is a prime.

It is a super-2 number, since 2×57112697² = 6523720317227618, 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 57112697.

It is not an unprimeable number, because it can be changed into a prime (57112667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208304 + ... + 208577.

It is an arithmetic number, because the mean of its divisors is an integer number (14382429).

Almost surely, 2^57112697 is an apocalyptic number.

It is an amenable number.

57112697 is a deficient number, since it is larger than the sum of its proper divisors (417019).

57112697 is a wasteful number, since it uses less digits than its factorization.

57112697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417018.

The product of its digits is 26460, while the sum is 38.

The square root of 57112697 is about 7557.2942909483. The cubic root of 57112697 is about 385.1035803835.

The spelling of 57112697 in words is "fifty-seven million, one hundred twelve thousand, six hundred ninety-seven".