52322620660 has 96 divisors (see below), whose sum is σ = 117339586560. Its totient is φ = 19540870272.

The previous prime is 52322620631. The next prime is 52322620667. The reversal of 52322620660 is 6602622325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52322620667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14601229 + ... + 14604811.

It is an arithmetic number, because the mean of its divisors is an integer number (1222287360).

Almost surely, 2^52322620660 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 52322620660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58669793280).

52322620660 is an abundant number, since it is smaller than the sum of its proper divisors (65016965900).

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

52322620660 is a wasteful number, since it uses less digits than its factorization.

52322620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 52322620660 in words is "fifty-two billion, three hundred twenty-two million, six hundred twenty thousand, six hundred sixty".