52252512420 has 48 divisors (see below), whose sum is σ = 146383126848. Its totient is φ = 13926756480.

The previous prime is 52252512397. The next prime is 52252512439. The reversal of 52252512420 is 2421525225.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 109639 + ... + 341358.

It is an arithmetic number, because the mean of its divisors is an integer number (3049648476).

Almost surely, 2^52252512420 is an apocalyptic number.

It is an amenable number.

52252512420 is an abundant number, since it is smaller than the sum of its proper divisors (94130614428).

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

52252512420 is a wasteful number, since it uses less digits than its factorization.

52252512420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452940 (or 452938 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 52252512420 in words is "fifty-two billion, two hundred fifty-two million, five hundred twelve thousand, four hundred twenty".