57503732920 has 32 divisors (see below), whose sum is σ = 129407634000. Its totient is φ = 22997184768.

The previous prime is 57503732903. The next prime is 57503732963. The reversal of 57503732920 is 2923730575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86047 + ... + 349873.

Almost surely, 2^57503732920 is an apocalyptic number.

It is an amenable number.

57503732920 is an abundant number, since it is smaller than the sum of its proper divisors (71903901080).

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

57503732920 is a wasteful number, since it uses less digits than its factorization.

57503732920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269287 (or 269283 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 43.

The spelling of 57503732920 in words is "fifty-seven billion, five hundred three million, seven hundred thirty-two thousand, nine hundred twenty".