57304884 has 96 divisors (see below), whose sum is σ = 166571776. Its totient is φ = 14929920.

The previous prime is 57304883. The next prime is 57304889. The reversal of 57304884 is 48840375.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57304883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105654 + ... + 106194.

Almost surely, 2^57304884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57304884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83285888).

57304884 is an abundant number, since it is smaller than the sum of its proper divisors (109266892).

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

57304884 is a wasteful number, since it uses less digits than its factorization.

57304884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 57304884 is about 7569.9989431968. The cubic root of 57304884 is about 385.5350608461.

The spelling of 57304884 in words is "fifty-seven million, three hundred four thousand, eight hundred eighty-four".