57133116 has 36 divisors (see below), whose sum is σ = 146255200. Its totient is φ = 18802368.

The previous prime is 57133079. The next prime is 57133117. The reversal of 57133116 is 61133175.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57133116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57133117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7201 + ... + 12888.

Almost surely, 2^57133116 is an apocalyptic number.

It is an amenable number.

57133116 is an abundant number, since it is smaller than the sum of its proper divisors (89122084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57133116 is a wasteful number, since it uses less digits than its factorization.

57133116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178 (or 20173 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 57133116 is about 7558.6451166859. The cubic root of 57133116 is about 385.1494691466.

The spelling of 57133116 in words is "fifty-seven million, one hundred thirty-three thousand, one hundred sixteen".