550089 has 6 divisors (see below), whose sum is σ = 794586. Its totient is φ = 366720.

The previous prime is 550073. The next prime is 550111. The reversal of 550089 is 980055.

It can be written as a sum of positive squares in only one way, i.e., 308025 + 242064 = 555^2 + 492^2 .

It is not a de Polignac number, because 550089 - 2⁴ = 550073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30552 + ... + 30569.

It is an arithmetic number, because the mean of its divisors is an integer number (132431).

2⁵⁵⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

550089 is a deficient number, since it is larger than the sum of its proper divisors (244497).

550089 is a wasteful number, since it uses less digits than its factorization.

550089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61127 (or 61124 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 550089 is about 741.6798500701. The cubic root of 550089 is about 81.9365461910.

The spelling of 550089 in words is "five hundred fifty thousand, eighty-nine".