550317311 has 16 divisors (see below), whose sum is σ = 613219200. Its totient is φ = 491647968.

The previous prime is 550317283. The next prime is 550317323. The reversal of 550317311 is 113713055.

It is a cyclic number.

It is not a de Polignac number, because 550317311 - 2⁶ = 550317247 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 (550317511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12080 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (38326200).

Almost surely, 2^550317311 is an apocalyptic number.

550317311 is a deficient number, since it is larger than the sum of its proper divisors (62901889).

550317311 is a wasteful number, since it uses less digits than its factorization.

550317311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 550317311 is about 23458.8429169045. The cubic root of 550317311 is about 819.4788037346.

The spelling of 550317311 in words is "five hundred fifty million, three hundred seventeen thousand, three hundred eleven".