57323244664 has 48 divisors (see below), whose sum is σ = 125200215000. Its totient is φ = 24533466048.

The previous prime is 57323244647. The next prime is 57323244683. The reversal of 57323244664 is 46644232375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187587 + ... + 387085.

Almost surely, 2^57323244664 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 57323244664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62600107500).

57323244664 is an abundant number, since it is smaller than the sum of its proper divisors (67876970336).

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

57323244664 is a wasteful number, since it uses less digits than its factorization.

57323244664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200252 (or 200241 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 46.

The spelling of 57323244664 in words is "fifty-seven billion, three hundred twenty-three million, two hundred forty-four thousand, six hundred sixty-four".