57085156 has 12 divisors (see below), whose sum is σ = 100477692. Its totient is φ = 28377248.

The previous prime is 57085151. The next prime is 57085183. The reversal of 57085156 is 65158075.

57085156 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 24206400 + 32878756 = 4920^2 + 5734^2 .

It is not an unprimeable number, because it can be changed into a prime (57085151) 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, 40555 + ... + 41938.

It is an arithmetic number, because the mean of its divisors is an integer number (8373141).

Almost surely, 2^57085156 is an apocalyptic number.

57085156 is the 4779-th centered pentagonal number.

It is an amenable number.

57085156 is a deficient number, since it is larger than the sum of its proper divisors (43392536).

57085156 is a wasteful number, since it uses less digits than its factorization.

57085156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82670 (or 82668 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 57085156 is about 7555.4719243738. The cubic root of 57085156 is about 385.0416686221.

The spelling of 57085156 in words is "fifty-seven million, eighty-five thousand, one hundred fifty-six".