55999327122 has 90 divisors (see below), whose sum is σ = 129586441257. Its totient is φ = 17477388288.

The previous prime is 55999327093. The next prime is 55999327159. The reversal of 55999327122 is 22172399955.

55999327122 is a `hidden beast` number, since 5 + 599 + 9 + 3 + 27 + 1 + 22 = 666.

55999327122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5545631961 + 50453695161 = 74469^2 + 224619^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167331.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 290151858 + ... + 290152050.

Almost surely, 2^55999327122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55999327122

55999327122 is an abundant number, since it is smaller than the sum of its proper divisors (73587114135).

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

55999327122 is an frugal number, since it uses more digits than its factorization.

55999327122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 215 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The spelling of 55999327122 in words is "fifty-five billion, nine hundred ninety-nine million, three hundred twenty-seven thousand, one hundred twenty-two".