57115556 has 12 divisors (see below), whose sum is σ = 101838492. Its totient is φ = 28018848.

The previous prime is 57115549. The next prime is 57115559. The reversal of 57115556 is 65551175.

57115556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50694400 + 6421156 = 7120^2 + 2534^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57115559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134495 + ... + 134918.

It is an arithmetic number, because the mean of its divisors is an integer number (8486541).

Almost surely, 2^57115556 is an apocalyptic number.

It is an amenable number.

57115556 is a deficient number, since it is larger than the sum of its proper divisors (44722936).

57115556 is a wasteful number, since it uses less digits than its factorization.

57115556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269470 (or 269468 counting only the distinct ones).

The product of its digits is 26250, while the sum is 35.

The square root of 57115556 is about 7557.4834435809. The cubic root of 57115556 is about 385.1100062328.

The spelling of 57115556 in words is "fifty-seven million, one hundred fifteen thousand, five hundred fifty-six".