57085412 has 12 divisors (see below), whose sum is σ = 100169916. Its totient is φ = 28465440.

The previous prime is 57085403. The next prime is 57085513. The reversal of 57085412 is 21458075.

It can be written as a sum of positive squares in 2 ways, for example, as 44009956 + 13075456 = 6634^2 + 3616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17639 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (8347493).

Almost surely, 2^57085412 is an apocalyptic number.

It is an amenable number.

57085412 is a deficient number, since it is larger than the sum of its proper divisors (43084504).

57085412 is a wasteful number, since it uses less digits than its factorization.

57085412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38638 (or 38636 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 57085412 is about 7555.4888657187. The cubic root of 57085412 is about 385.0422441980.

The spelling of 57085412 in words is "fifty-seven million, eighty-five thousand, four hundred twelve".