52664438912 has 32 divisors (see below), whose sum is σ = 104928037500. Its totient is φ = 26329559040.

The previous prime is 52664438863. The next prime is 52664438921. The reversal of 52664438912 is 21983446625.

It can be written as a sum of positive squares in 2 ways, for example, as 50308695616 + 2355743296 = 224296^2 + 48536^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067212 + ... + 2092532.

Almost surely, 2^52664438912 is an apocalyptic number.

It is an amenable number.

52664438912 is a deficient number, since it is larger than the sum of its proper divisors (52263598588).

52664438912 is a wasteful number, since it uses less digits than its factorization.

52664438912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41584 (or 41572 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 52664438912 in words is "fifty-two billion, six hundred sixty-four million, four hundred thirty-eight thousand, nine hundred twelve".