55317232654122 has 16 divisors (see below), whose sum is σ = 113332866901632. Its totient is φ = 17989343952480.

The previous prime is 55317232653883. The next prime is 55317232654169. The reversal of 55317232654122 is 22145623271355.

It is a super-2 number, since 2×55317232654122² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112433399458 + ... + 112433399949.

It is an arithmetic number, because the mean of its divisors is an integer number (7083304181352).

Almost surely, 2^{55317232654122} is an apocalyptic number.

55317232654122 is an abundant number, since it is smaller than the sum of its proper divisors (58015634247510).

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

55317232654122 is a wasteful number, since it uses less digits than its factorization.

55317232654122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224866799453.

The product of its digits is 3024000, while the sum is 48.

The spelling of 55317232654122 in words is "fifty-five trillion, three hundred seventeen billion, two hundred thirty-two million, six hundred fifty-four thousand, one hundred twenty-two".