550476642171 has 4 divisors (see below), whose sum is σ = 733968856232. Its totient is φ = 366984428112.

The previous prime is 550476642143. The next prime is 550476642187. The reversal of 550476642171 is 171246674055.

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

It is not a de Polignac number, because 550476642171 - 2⁵ = 550476642139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550476642171.

It is not an unprimeable number, because it can be changed into a prime (550476662171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91746107026 + ... + 91746107031.

It is an arithmetic number, because the mean of its divisors is an integer number (183492214058).

Almost surely, 2^550476642171 is an apocalyptic number.

550476642171 is a deficient number, since it is larger than the sum of its proper divisors (183492214061).

550476642171 is a wasteful number, since it uses less digits than its factorization.

550476642171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183492214060.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 550476642171 in words is "five hundred fifty billion, four hundred seventy-six million, six hundred forty-two thousand, one hundred seventy-one".