55173837155 has 16 divisors (see below), whose sum is σ = 69166142784. Its totient is φ = 42171761280.

The previous prime is 55173837101. The next prime is 55173837167.

55173837155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55173837155 - 2¹⁴ = 55173820771 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, 172676 + ... + 374385.

It is an arithmetic number, because the mean of its divisors is an integer number (4322883924).

Almost surely, 2^55173837155 is an apocalyptic number.

55173837155 is a deficient number, since it is larger than the sum of its proper divisors (13992305629).

55173837155 is a wasteful number, since it uses less digits than its factorization.

55173837155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547966.

The product of its digits is 2205000, while the sum is 50.

The spelling of 55173837155 in words is "fifty-five billion, one hundred seventy-three million, eight hundred thirty-seven thousand, one hundred fifty-five".