55156105107 has 48 divisors (see below), whose sum is σ = 87186048768. Its totient is φ = 33449656320.

The previous prime is 55156105099. The next prime is 55156105181. The reversal of 55156105107 is 70150165155.

It is a happy number.

55156105107 is a `hidden beast` number, since 551 + 56 + 1 + 0 + 51 + 0 + 7 = 666.

It is not a de Polignac number, because 55156105107 - 2³ = 55156105099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55156115107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4038963 + ... + 4052595.

It is an arithmetic number, because the mean of its divisors is an integer number (1816376016).

Almost surely, 2^55156105107 is an apocalyptic number.

55156105107 is a deficient number, since it is larger than the sum of its proper divisors (32029943661).

55156105107 is a wasteful number, since it uses less digits than its factorization.

55156105107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14540 (or 14537 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 55156105107 in words is "fifty-five billion, one hundred fifty-six million, one hundred five thousand, one hundred seven".