52644426564 has 48 divisors (see below), whose sum is σ = 126355432896. Its totient is φ = 17049062400.

The previous prime is 52644426557. The next prime is 52644426589. The reversal of 52644426564 is 46562444625.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103422 + ... + 340565.

It is an arithmetic number, because the mean of its divisors is an integer number (2632404852).

Almost surely, 2^52644426564 is an apocalyptic number.

It is an amenable number.

52644426564 is an abundant number, since it is smaller than the sum of its proper divisors (73711006332).

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

52644426564 is a wasteful number, since it uses less digits than its factorization.

52644426564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444276 (or 444274 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 48.

The spelling of 52644426564 in words is "fifty-two billion, six hundred forty-four million, four hundred twenty-six thousand, five hundred sixty-four".