57112516 has 6 divisors (see below), whose sum is σ = 99946910. Its totient is φ = 28556256.

The previous prime is 57112511. The next prime is 57112543. The reversal of 57112516 is 61521175.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 3880900 = 7296^2 + 1970^2 .

It is not an unprimeable number, because it can be changed into a prime (57112511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139061 + ... + 7139068.

Almost surely, 2^57112516 is an apocalyptic number.

It is an amenable number.

57112516 is a deficient number, since it is larger than the sum of its proper divisors (42834394).

57112516 is a wasteful number, since it uses less digits than its factorization.

57112516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278133 (or 14278131 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 57112516 is about 7557.2823157535. The cubic root of 57112516 is about 385.1031735631.

The spelling of 57112516 in words is "fifty-seven million, one hundred twelve thousand, five hundred sixteen".