55156065155 has 16 divisors (see below), whose sum is σ = 66858674400. Its totient is φ = 43677465600.

The previous prime is 55156065109. The next prime is 55156065187.

55156065155 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-55156065155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604851 + ... + 2625939.

It is an arithmetic number, because the mean of its divisors is an integer number (4178667150).

Almost surely, 2^55156065155 is an apocalyptic number.

55156065155 is a deficient number, since it is larger than the sum of its proper divisors (11702609245).

55156065155 is a wasteful number, since it uses less digits than its factorization.

55156065155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26374.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 55156065155 in words is "fifty-five billion, one hundred fifty-six million, sixty-five thousand, one hundred fifty-five".