55231713101172 has 12 divisors (see below), whose sum is σ = 128873997236096. Its totient is φ = 18410571033720.

The previous prime is 55231713101083. The next prime is 55231713101183. The reversal of 55231713101172 is 27110131713255.

55231713101172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55231713101172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301321379204 + ... + 2301321379227.

Almost surely, 2^{55231713101172} is an apocalyptic number.

It is an amenable number.

55231713101172 is an abundant number, since it is smaller than the sum of its proper divisors (73642284134924).

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

55231713101172 is a wasteful number, since it uses less digits than its factorization.

55231713101172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602642758438 (or 4602642758436 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 39.

The spelling of 55231713101172 in words is "fifty-five trillion, two hundred thirty-one billion, seven hundred thirteen million, one hundred one thousand, one hundred seventy-two".