55708172185231 has 8 divisors (see below), whose sum is σ = 55798570984320. Its totient is φ = 55617774683352.

The previous prime is 55708172185217. The next prime is 55708172185349. The reversal of 55708172185231 is 13258127180755.

55708172185231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55708172185231 - 2⁹ = 55708172184719 is a prime.

It is a super-2 number, since 2×55708172185231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55708172182231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 124581456 + ... + 125027818.

It is an arithmetic number, because the mean of its divisors is an integer number (6974821373040).

Almost surely, 2^{55708172185231} is an apocalyptic number.

55708172185231 is a deficient number, since it is larger than the sum of its proper divisors (90398799089).

55708172185231 is a wasteful number, since it uses less digits than its factorization.

55708172185231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648605.

The product of its (nonzero) digits is 4704000, while the sum is 55.

The spelling of 55708172185231 in words is "fifty-five trillion, seven hundred eight billion, one hundred seventy-two million, one hundred eighty-five thousand, two hundred thirty-one".