57045618 has 48 divisors (see below), whose sum is σ = 142871040. Its totient is φ = 16112448.

The previous prime is 57045617. The next prime is 57045629. The reversal of 57045618 is 81654075.

It is not an unprimeable number, because it can be changed into a prime (57045617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8671 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (2976480).

Almost surely, 2^57045618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57045618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71435520).

57045618 is an abundant number, since it is smaller than the sum of its proper divisors (85825422).

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

57045618 is a wasteful number, since it uses less digits than its factorization.

57045618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 57045618 is about 7552.8549569021. The cubic root of 57045618 is about 384.9527529585.

The spelling of 57045618 in words is "fifty-seven million, forty-five thousand, six hundred eighteen".