55116239508 has 96 divisors (see below), whose sum is σ = 156114846720. Its totient is φ = 16677191520.

The previous prime is 55116239489. The next prime is 55116239513. The reversal of 55116239508 is 80593261155.

55116239508 is a `hidden beast` number, since 5 + 5 + 11 + 623 + 9 + 5 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777441 + ... + 845367.

It is an arithmetic number, because the mean of its divisors is an integer number (1626196320).

Almost surely, 2^55116239508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55116239508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78057423360).

55116239508 is an abundant number, since it is smaller than the sum of its proper divisors (100998607212).

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

55116239508 is a wasteful number, since it uses less digits than its factorization.

55116239508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68634 (or 68626 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 55116239508 in words is "fifty-five billion, one hundred sixteen million, two hundred thirty-nine thousand, five hundred eight".