550518890187 has 32 divisors (see below), whose sum is σ = 866006794240. Its totient is φ = 304413305760.

The previous prime is 550518890161. The next prime is 550518890191. The reversal of 550518890187 is 781098815055.

It is not a de Polignac number, because 550518890187 - 2¹² = 550518886091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550518890387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16674498 + ... + 16707480.

It is an arithmetic number, because the mean of its divisors is an integer number (27062712320).

Almost surely, 2^550518890187 is an apocalyptic number.

550518890187 is a deficient number, since it is larger than the sum of its proper divisors (315487904053).

550518890187 is a wasteful number, since it uses less digits than its factorization.

550518890187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58663.

The product of its (nonzero) digits is 4032000, while the sum is 57.

The spelling of 550518890187 in words is "five hundred fifty billion, five hundred eighteen million, eight hundred ninety thousand, one hundred eighty-seven".