57055312 has 20 divisors (see below), whose sum is σ = 110992896. Its totient is φ = 28412000.

The previous prime is 57055307. The next prime is 57055331. The reversal of 57055312 is 21355075.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088 + ... + 11119.

Almost surely, 2^57055312 is an apocalyptic number.

It is an amenable number.

57055312 is a deficient number, since it is larger than the sum of its proper divisors (53937584).

57055312 is a wasteful number, since it uses less digits than its factorization.

57055312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466 (or 14460 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 57055312 is about 7553.4966737267. The cubic root of 57055312 is about 384.9745572662.

The spelling of 57055312 in words is "fifty-seven million, fifty-five thousand, three hundred twelve".