55173375361 has 32 divisors (see below), whose sum is σ = 62640442368. Its totient is φ = 48214932480.

The previous prime is 55173375317. The next prime is 55173375391. The reversal of 55173375361 is 16357337155.

It is not a de Polignac number, because 55173375361 - 2²¹ = 55171278209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55173375391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12719385 + ... + 12723721.

It is an arithmetic number, because the mean of its divisors is an integer number (1957513824).

Almost surely, 2^55173375361 is an apocalyptic number.

It is an amenable number.

55173375361 is a deficient number, since it is larger than the sum of its proper divisors (7467067007).

55173375361 is a wasteful number, since it uses less digits than its factorization.

55173375361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its digits is 992250, while the sum is 46.

The spelling of 55173375361 in words is "fifty-five billion, one hundred seventy-three million, three hundred seventy-five thousand, three hundred sixty-one".