52028912520 has 128 divisors (see below), whose sum is σ = 186770505600. Its totient is φ = 12807113472.

The previous prime is 52028912503. The next prime is 52028912549. The reversal of 52028912520 is 2521982025.

52028912520 is a `hidden beast` number, since 5 + 20 + 28 + 91 + 2 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1838842 + ... + 1866921.

It is an arithmetic number, because the mean of its divisors is an integer number (1459144575).

Almost surely, 2^52028912520 is an apocalyptic number.

It is an amenable number.

52028912520 is an abundant number, since it is smaller than the sum of its proper divisors (134741593080).

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

52028912520 is a wasteful number, since it uses less digits than its factorization.

52028912520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705796 (or 3705786 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 52028912520 in words is "fifty-two billion, twenty-eight million, nine hundred twelve thousand, five hundred twenty".