57055712 has 24 divisors (see below), whose sum is σ = 128375856. Its totient is φ = 24452352.

The previous prime is 57055703. The next prime is 57055721. The reversal of 57055712 is 21755075.

57055712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57055703) and next prime (57055721).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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, 127133 + ... + 127580.

It is an arithmetic number, because the mean of its divisors is an integer number (5348994).

Almost surely, 2^57055712 is an apocalyptic number.

It is an amenable number.

57055712 is an abundant number, since it is smaller than the sum of its proper divisors (71320144).

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

57055712 is a wasteful number, since it uses less digits than its factorization.

57055712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254730 (or 254722 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 57055712 is about 7553.5231514837. The cubic root of 57055712 is about 384.9754569164.

The spelling of 57055712 in words is "fifty-seven million, fifty-five thousand, seven hundred twelve".