55103630155 has 16 divisors (see below), whose sum is σ = 76996557504. Its totient is φ = 37072414080.

The previous prime is 55103630123. The next prime is 55103630173.

55103630155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55103630155 - 2⁵ = 55103630123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55103630155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14850876 + ... + 14854585.

It is an arithmetic number, because the mean of its divisors is an integer number (4812284844).

Almost surely, 2^55103630155 is an apocalyptic number.

55103630155 is a deficient number, since it is larger than the sum of its proper divisors (21892927349).

55103630155 is a wasteful number, since it uses less digits than its factorization.

55103630155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29705526.

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 55103630155 in words is "fifty-five billion, one hundred three million, six hundred thirty thousand, one hundred fifty-five".