52664231772 has 18 divisors (see below), whose sum is σ = 133123474848. Its totient is φ = 17554743912.

The previous prime is 52664231759. The next prime is 52664231773. The reversal of 52664231772 is 27713246625.

52664231772 is a `hidden beast` number, since 5 + 266 + 4 + 2 + 317 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52664231773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731447628 + ... + 731447699.

Almost surely, 2^52664231772 is an apocalyptic number.

It is an amenable number.

52664231772 is an abundant number, since it is smaller than the sum of its proper divisors (80459243076).

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

52664231772 is a wasteful number, since it uses less digits than its factorization.

52664231772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462895337 (or 1462895332 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 52664231772 in words is "fifty-two billion, six hundred sixty-four million, two hundred thirty-one thousand, seven hundred seventy-two".