550508 has 12 divisors (see below), whose sum is σ = 1101072. Its totient is φ = 235920.

The previous prime is 550489. The next prime is 550513. The reversal of 550508 is 805055.

It is a happy number.

550508 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550508.

It is an unprimeable number.

550508 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, 9803 + ... + 9858.

It is an arithmetic number, because the mean of its divisors is an integer number (91756).

2⁵⁵⁰⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

550508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550508 is a wasteful number, since it uses less digits than its factorization.

550508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672 (or 19670 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 550508 is about 741.9622631913. The cubic root of 550508 is about 81.9573444617.

The spelling of 550508 in words is "five hundred fifty thousand, five hundred eight".