550850 has 24 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 210320.

The previous prime is 550843. The next prime is 550859. The reversal of 550850 is 58055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 550850.

It is not an unprimeable number, because it can be changed into a prime (550859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁵⁵⁰⁸⁵⁰ is an apocalyptic number.

550850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550850 is a deficient number, since it is larger than the sum of its proper divisors (520510).

550850 is a wasteful number, since it uses less digits than its factorization.

550850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 509 counting only the distinct ones).

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

The square root of 550850 is about 742.1926973502. The cubic root of 550850 is about 81.9743127949.

The spelling of 550850 in words is "five hundred fifty thousand, eight hundred fifty".