550808 has 16 divisors (see below), whose sum is σ = 1066560. Its totient is φ = 266400.

The previous prime is 550801. The next prime is 550811. The reversal of 550808 is 808055.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550808.

It is not an unprimeable number, because it can be changed into a prime (550801) by changing a digit.

550808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (66660).

2⁵⁵⁰⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

550808 is a deficient number, since it is larger than the sum of its proper divisors (515752).

550808 is a wasteful number, since it uses less digits than its factorization.

550808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 550808 is about 742.1644022722. The cubic root of 550808 is about 81.9722293428.

The spelling of 550808 in words is "five hundred fifty thousand, eight hundred eight".