52504351320 has 32 divisors (see below), whose sum is σ = 157513054320. Its totient is φ = 14001160320.

The previous prime is 52504351313. The next prime is 52504351379. The reversal of 52504351320 is 2315340525.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218768011 + ... + 218768250.

Almost surely, 2^52504351320 is an apocalyptic number.

It is an amenable number.

52504351320 is an abundant number, since it is smaller than the sum of its proper divisors (105008703000).

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

52504351320 is a wasteful number, since it uses less digits than its factorization.

52504351320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437536275 (or 437536271 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 52504351320 its reverse (2315340525), we get a palindrome (54819691845).

The spelling of 52504351320 in words is "fifty-two billion, five hundred four million, three hundred fifty-one thousand, three hundred twenty".