52500312722 has 90 divisors (see below), whose sum is σ = 94720542885. Its totient is φ = 21814238160.

The previous prime is 52500312721. The next prime is 52500312751. The reversal of 52500312722 is 22721300525.

It can be written as a sum of positive squares in 2 ways, for example, as 44889320641 + 7610992081 = 211871^2 + 87241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=162019.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52500312721) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 509711723 + ... + 509711825.

Almost surely, 2^52500312722 is an apocalyptic number.

52500312722 is a deficient number, since it is larger than the sum of its proper divisors (42220230163).

52500312722 is an equidigital number, since it uses as much as digits as its factorization.

52500312722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 52500312722 in words is "fifty-two billion, five hundred million, three hundred twelve thousand, seven hundred twenty-two".