55175644657155 has 128 divisors (see below), whose sum is σ = 101889648783360. Its totient is φ = 25215575616000.

The previous prime is 55175644657129. The next prime is 55175644657241.

55175644657155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55175644657155 - 2⁷ = 55175644657027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 509449189 + ... + 509557481.

It is an arithmetic number, because the mean of its divisors is an integer number (796012881120).

Almost surely, 2^{55175644657155} is an apocalyptic number.

55175644657155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55175644657155 is a deficient number, since it is larger than the sum of its proper divisors (46714004126205).

55175644657155 is a wasteful number, since it uses less digits than its factorization.

55175644657155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109153.

The product of its digits is 441000000, while the sum is 66.

The spelling of 55175644657155 in words is "fifty-five trillion, one hundred seventy-five billion, six hundred forty-four million, six hundred fifty-seven thousand, one hundred fifty-five".