550660959 has 12 divisors (see below), whose sum is σ = 795604576. Its totient is φ = 367012512.

The previous prime is 550660933. The next prime is 550660993. The reversal of 550660959 is 959066055.

550660959 is a `hidden beast` number, since 550 + 6 + 6 + 0 + 95 + 9 = 666.

It is not a de Polignac number, because 550660959 - 2⁸ = 550660703 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 (550660909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56634 + ... + 65640.

Almost surely, 2^550660959 is an apocalyptic number.

550660959 is a deficient number, since it is larger than the sum of its proper divisors (244943617).

550660959 is a wasteful number, since it uses less digits than its factorization.

550660959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806 (or 15803 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 550660959 is about 23466.1662612366. The cubic root of 550660959 is about 819.6493439234.

The spelling of 550660959 in words is "five hundred fifty million, six hundred sixty thousand, nine hundred fifty-nine".