55172099922 has 16 divisors (see below), whose sum is σ = 110348126112. Its totient is φ = 18390045600.

The previous prime is 55172099911. The next prime is 55172100019. The reversal of 55172099922 is 22999027155.

55172099922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38238 + ... + 334374.

It is an arithmetic number, because the mean of its divisors is an integer number (6896757882).

Almost surely, 2^55172099922 is an apocalyptic number.

55172099922 is an abundant number, since it is smaller than the sum of its proper divisors (55176026190).

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

55172099922 is a wasteful number, since it uses less digits than its factorization.

55172099922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327193.

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 55172099922 in words is "fifty-five billion, one hundred seventy-two million, ninety-nine thousand, nine hundred twenty-two".