550086 has 16 divisors (see below), whose sum is σ = 1165104. Its totient is φ = 172544.

The previous prime is 550073. The next prime is 550111. The reversal of 550086 is 680055.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (72819).

2⁵⁵⁰⁰⁸⁶ is an apocalyptic number.

550086 is an abundant number, since it is smaller than the sum of its proper divisors (615018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550086 is a wasteful number, since it uses less digits than its factorization.

550086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 550086 is about 741.6778276314. The cubic root of 550086 is about 81.9363972393.

The spelling of 550086 in words is "five hundred fifty thousand, eighty-six".