550017 has 16 divisors (see below), whose sum is σ = 878080. Its totient is φ = 338256.

The previous prime is 550009. The next prime is 550027. The reversal of 550017 is 710055.

It is a happy number.

It is not a de Polignac number, because 550017 - 2³ = 550009 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550017.

It is not an unprimeable number, because it can be changed into a prime (550007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (54880).

2⁵⁵⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

550017 is a deficient number, since it is larger than the sum of its proper divisors (328063).

550017 is a wasteful number, since it uses less digits than its factorization.

550017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 550017 is about 741.6313100187. The cubic root of 550017 is about 81.9329712006.

The spelling of 550017 in words is "five hundred fifty thousand, seventeen".