52456489764 has 24 divisors (see below), whose sum is σ = 139883972928. Its totient is φ = 14987568480.

The previous prime is 52456489753. The next prime is 52456489801. The reversal of 52456489764 is 46798465425.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52456489698 and 52456489707.

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, 312240927 + ... + 312241094.

It is an arithmetic number, because the mean of its divisors is an integer number (5828498872).

Almost surely, 2^52456489764 is an apocalyptic number.

It is an amenable number.

52456489764 is an abundant number, since it is smaller than the sum of its proper divisors (87427483164).

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

52456489764 is a wasteful number, since it uses less digits than its factorization.

52456489764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624482035 (or 624482033 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 60.

The spelling of 52456489764 in words is "fifty-two billion, four hundred fifty-six million, four hundred eighty-nine thousand, seven hundred sixty-four".