52521515312 has 60 divisors (see below), whose sum is σ = 121574041680. Its totient is φ = 21530534784.

The previous prime is 52521515297. The next prime is 52521515341. The reversal of 52521515312 is 21351512525.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383987 + ... + 502482.

It is an arithmetic number, because the mean of its divisors is an integer number (2026234028).

Almost surely, 2^52521515312 is an apocalyptic number.

It is an amenable number.

52521515312 is an abundant number, since it is smaller than the sum of its proper divisors (69052526368).

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

52521515312 is a wasteful number, since it uses less digits than its factorization.

52521515312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886530 (or 886501 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The spelling of 52521515312 in words is "fifty-two billion, five hundred twenty-one million, five hundred fifteen thousand, three hundred twelve".