55548499171 has 4 divisors (see below), whose sum is σ = 60598362744. Its totient is φ = 50498635600.

The previous prime is 55548499157. The next prime is 55548499183. The reversal of 55548499171 is 17199484555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55548499171 - 2³¹ = 53401015523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55548499121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524931770 + ... + 2524931791.

It is an arithmetic number, because the mean of its divisors is an integer number (15149590686).

Almost surely, 2^55548499171 is an apocalyptic number.

55548499171 is a deficient number, since it is larger than the sum of its proper divisors (5049863573).

55548499171 is a wasteful number, since it uses less digits than its factorization.

55548499171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049863572.

The product of its digits is 9072000, while the sum is 58.

The spelling of 55548499171 in words is "fifty-five billion, five hundred forty-eight million, four hundred ninety-nine thousand, one hundred seventy-one".