57332418 has 32 divisors (see below), whose sum is σ = 134713152. Its totient is φ = 16036800.

The previous prime is 57332417. The next prime is 57332437. The reversal of 57332418 is 81423375.

57332418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (57332413) 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 15 ways as a sum of consecutive naturals, for example, 32553 + ... + 34268.

It is an arithmetic number, because the mean of its divisors is an integer number (4209786).

Almost surely, 2^57332418 is an apocalyptic number.

57332418 is an abundant number, since it is smaller than the sum of its proper divisors (77380734).

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

57332418 is a wasteful number, since it uses less digits than its factorization.

57332418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66850.

The product of its digits is 20160, while the sum is 33.

The square root of 57332418 is about 7571.8173512044. The cubic root of 57332418 is about 385.5967985894.

The spelling of 57332418 in words is "fifty-seven million, three hundred thirty-two thousand, four hundred eighteen".