55929211218 has 24 divisors (see below), whose sum is σ = 121504851468. Its totient is φ = 18593086752.

The previous prime is 55929211207. The next prime is 55929211237. The reversal of 55929211218 is 81211292955.

It is a happy number.

55929211218 is a `hidden beast` number, since 559 + 2 + 92 + 1 + 1 + 2 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51167797209 + 4761414009 = 226203^2 + 69003^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4158405 + ... + 4171832.

Almost surely, 2^55929211218 is an apocalyptic number.

55929211218 is an abundant number, since it is smaller than the sum of its proper divisors (65575640250).

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

55929211218 is a wasteful number, since it uses less digits than its factorization.

55929211218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330618 (or 8330615 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The spelling of 55929211218 in words is "fifty-five billion, nine hundred twenty-nine million, two hundred eleven thousand, two hundred eighteen".