52822791720 has 96 divisors (see below), whose sum is σ = 172094293800. Its totient is φ = 14051598336.

The previous prime is 52822791661. The next prime is 52822791743. The reversal of 52822791720 is 2719722825.

52822791720 is a `hidden beast` number, since 528 + 22 + 79 + 17 + 20 = 666.

52822791720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38727878436 + 14094913284 = 196794^2 + 118722^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32137 + ... + 326616.

Almost surely, 2^52822791720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52822791720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86047146900).

52822791720 is an abundant number, since it is smaller than the sum of its proper divisors (119271502080).

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

52822791720 is a wasteful number, since it uses less digits than its factorization.

52822791720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359179 (or 359172 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 52822791720 in words is "fifty-two billion, eight hundred twenty-two million, seven hundred ninety-one thousand, seven hundred twenty".