57116516 has 6 divisors (see below), whose sum is σ = 99953910. Its totient is φ = 28558256.

The previous prime is 57116509. The next prime is 57116519. The reversal of 57116516 is 61561175.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 27457600 = 5446^2 + 5240^2 .

It is not an unprimeable number, because it can be changed into a prime (57116519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139561 + ... + 7139568.

It is an arithmetic number, because the mean of its divisors is an integer number (16658985).

Almost surely, 2^57116516 is an apocalyptic number.

It is an amenable number.

57116516 is a deficient number, since it is larger than the sum of its proper divisors (42837394).

57116516 is a wasteful number, since it uses less digits than its factorization.

57116516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279133 (or 14279131 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 57116516 is about 7557.5469565197. The cubic root of 57116516 is about 385.1121638676.

The spelling of 57116516 in words is "fifty-seven million, one hundred sixteen thousand, five hundred sixteen".