550431255 has 16 divisors (see below), whose sum is σ = 960753024. Its totient is φ = 266875680.

The previous prime is 550431163. The next prime is 550431293. The reversal of 550431255 is 552134055.

It is a happy number.

550431255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550431255 - 2⁷ = 550431127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667809 + ... + 1668138.

It is an arithmetic number, because the mean of its divisors is an integer number (60047064).

Almost surely, 2^550431255 is an apocalyptic number.

550431255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550431255 is a deficient number, since it is larger than the sum of its proper divisors (410321769).

550431255 is a wasteful number, since it uses less digits than its factorization.

550431255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335966.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550431255 is about 23461.2713849868. The cubic root of 550431255 is about 819.5353579245.

The spelling of 550431255 in words is "five hundred fifty million, four hundred thirty-one thousand, two hundred fifty-five".