53664152172 has 12 divisors (see below), whose sum is σ = 125216355096. Its totient is φ = 17888050720.

The previous prime is 53664152149. The next prime is 53664152219. The reversal of 53664152172 is 27125146635.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236006329 + ... + 2236006352.

It is an arithmetic number, because the mean of its divisors is an integer number (10434696258).

Almost surely, 2^53664152172 is an apocalyptic number.

It is an amenable number.

53664152172 is an abundant number, since it is smaller than the sum of its proper divisors (71552202924).

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

53664152172 is a wasteful number, since it uses less digits than its factorization.

53664152172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472012688 (or 4472012686 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The spelling of 53664152172 in words is "fifty-three billion, six hundred sixty-four million, one hundred fifty-two thousand, one hundred seventy-two".