550988 has 24 divisors (see below), whose sum is σ = 1034208. Its totient is φ = 256256.

The previous prime is 550973. The next prime is 550993. The reversal of 550988 is 889055.

It is a super-2 number, since 2×550988² = 607175552288, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550988.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2⁵⁵⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

550988 is a deficient number, since it is larger than the sum of its proper divisors (483220).

550988 is a wasteful number, since it uses less digits than its factorization.

550988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 550988 is about 742.2856592984. The cubic root of 550988 is about 81.9811576774.

The spelling of 550988 in words is "five hundred fifty thousand, nine hundred eighty-eight".