550990308959 has 4 divisors (see below), whose sum is σ = 551731884816. Its totient is φ = 550248733104.

The previous prime is 550990308949. The next prime is 550990308971. The reversal of 550990308959 is 959803099055.

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 550990308959 - 2¹² = 550990304863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550990308949) 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, 370786814 + ... + 370788299.

It is an arithmetic number, because the mean of its divisors is an integer number (137932971204).

Almost surely, 2^550990308959 is an apocalyptic number.

550990308959 is a deficient number, since it is larger than the sum of its proper divisors (741575857).

550990308959 is an equidigital number, since it uses as much as digits as its factorization.

550990308959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741575856.

The product of its (nonzero) digits is 19683000, while the sum is 62.

The spelling of 550990308959 in words is "five hundred fifty billion, nine hundred ninety million, three hundred eight thousand, nine hundred fifty-nine".