550589 has 8 divisors (see below), whose sum is σ = 607992. Its totient is φ = 495360.

The previous prime is 550577. The next prime is 550607. The reversal of 550589 is 985055.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 525625 = 158^2 + 725^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 550589 - 2¹⁶ = 485053 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 550589.

It is not an unprimeable number, because it can be changed into a prime (550519) 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 7 ways as a sum of consecutive naturals, for example, 17 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (75999).

2⁵⁵⁰⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

550589 is a deficient number, since it is larger than the sum of its proper divisors (57403).

550589 is a wasteful number, since it uses less digits than its factorization.

550589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 550589 is about 742.0168461700. The cubic root of 550589 is about 81.9613639124.

The spelling of 550589 in words is "five hundred fifty thousand, five hundred eighty-nine".