550650 has 24 divisors (see below), whose sum is σ = 1365984. Its totient is φ = 146800.

The previous prime is 550637. The next prime is 550651. The reversal of 550650 is 56055.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550650.

It is not an unprimeable number, because it can be changed into a prime (550651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1686 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (56916).

2⁵⁵⁰⁶⁵⁰ is an apocalyptic number.

550650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550650 is an abundant number, since it is smaller than the sum of its proper divisors (815334).

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

550650 is a wasteful number, since it uses less digits than its factorization.

550650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 550650 is about 742.0579492196. The cubic root of 550650 is about 81.9643906460.

The spelling of 550650 in words is "five hundred fifty thousand, six hundred fifty".