550255 has 4 divisors (see below), whose sum is σ = 660312. Its totient is φ = 440200.

The previous prime is 550241. The next prime is 550267. The reversal of 550255 is 552055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 550255 - 2⁷ = 550127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55021 + ... + 55030.

It is an arithmetic number, because the mean of its divisors is an integer number (165078).

2⁵⁵⁰²⁵⁵ is an apocalyptic number.

550255 is a deficient number, since it is larger than the sum of its proper divisors (110057).

550255 is a wasteful number, since it uses less digits than its factorization.

550255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110056.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 550255 is about 741.7917497519. The cubic root of 550255 is about 81.9447873415.

The spelling of 550255 in words is "five hundred fifty thousand, two hundred fifty-five".