57055264 has 48 divisors (see below), whose sum is σ = 135934848. Its totient is φ = 23012352.

The previous prime is 57055261. The next prime is 57055277. The reversal of 57055264 is 46255075.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57055261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684 + ... + 11299.

It is an arithmetic number, because the mean of its divisors is an integer number (2831976).

Almost surely, 2^57055264 is an apocalyptic number.

It is an amenable number.

57055264 is an abundant number, since it is smaller than the sum of its proper divisors (78879584).

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

57055264 is a wasteful number, since it uses less digits than its factorization.

57055264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017 (or 15009 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 57055264 is about 7553.4934963896. The cubic root of 57055264 is about 384.9744493079.

The spelling of 57055264 in words is "fifty-seven million, fifty-five thousand, two hundred sixty-four".