550827 has 16 divisors (see below), whose sum is σ = 852480. Its totient is φ = 350856.

The previous prime is 550813. The next prime is 550831. The reversal of 550827 is 728055.

It is a happy number.

It is not a de Polignac number, because 550827 - 2⁴ = 550811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 550827.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550827.

It is not an unprimeable number, because it can be changed into a prime (550027) 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 15 ways as a sum of consecutive naturals, for example, 178 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2⁵⁵⁰⁸²⁷ is an apocalyptic number.

550827 is a deficient number, since it is larger than the sum of its proper divisors (301653).

550827 is a wasteful number, since it uses less digits than its factorization.

550827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 550827 is about 742.1772025601. The cubic root of 550827 is about 81.9731718700.

The spelling of 550827 in words is "five hundred fifty thousand, eight hundred twenty-seven".