55144312105 has 16 divisors (see below), whose sum is σ = 70079174784. Its totient is φ = 41512446720.

The previous prime is 55144312079. The next prime is 55144312129. The reversal of 55144312105 is 50121344155.

It is not a de Polignac number, because 55144312105 - 2²⁵ = 55110757673 is a prime.

It is a Duffinian number.

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, 403060 + ... + 522250.

It is an arithmetic number, because the mean of its divisors is an integer number (4379948424).

Almost surely, 2^55144312105 is an apocalyptic number.

It is an amenable number.

55144312105 is a deficient number, since it is larger than the sum of its proper divisors (14934862679).

55144312105 is a wasteful number, since it uses less digits than its factorization.

55144312105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124656.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 55144312105 in words is "fifty-five billion, one hundred forty-four million, three hundred twelve thousand, one hundred five".