57502668864 has 112 divisors (see below), whose sum is σ = 160307121600. Its totient is φ = 18140921856.

The previous prime is 57502668803. The next prime is 57502668877. The reversal of 57502668864 is 46886620575.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3994672 + ... + 4009040.

Almost surely, 2^57502668864 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 57502668864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80153560800).

57502668864 is an abundant number, since it is smaller than the sum of its proper divisors (102804452736).

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

57502668864 is a wasteful number, since it uses less digits than its factorization.

57502668864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15500 (or 15490 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 57502668864 in words is "fifty-seven billion, five hundred two million, six hundred sixty-eight thousand, eight hundred sixty-four".