550285 has 8 divisors (see below), whose sum is σ = 665496. Its totient is φ = 436800.

The previous prime is 550283. The next prime is 550289. The reversal of 550285 is 582055.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 459684 = 301^2 + 678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550285 - 2¹ = 550283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 1135.

It is an arithmetic number, because the mean of its divisors is an integer number (83187).

2⁵⁵⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

550285 is a deficient number, since it is larger than the sum of its proper divisors (115211).

550285 is a wasteful number, since it uses less digits than its factorization.

550285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 550285 is about 741.8119707851. The cubic root of 550285 is about 81.9462765292.

The spelling of 550285 in words is "five hundred fifty thousand, two hundred eighty-five".