52115585920 has 64 divisors (see below), whose sum is σ = 130005764640. Its totient is φ = 19939870720.

The previous prime is 52115585911. The next prime is 52115585941. The reversal of 52115585920 is 2958551125.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1755511 + ... + 1784950.

Almost surely, 2^52115585920 is an apocalyptic number.

It is an amenable number.

52115585920 is an abundant number, since it is smaller than the sum of its proper divisors (77890178720).

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

52115585920 is a wasteful number, since it uses less digits than its factorization.

52115585920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540503 (or 3540491 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 43.

The spelling of 52115585920 in words is "fifty-two billion, one hundred fifteen million, five hundred eighty-five thousand, nine hundred twenty".