550206 has 32 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 175032.

The previous prime is 550189. The next prime is 550211. The reversal of 550206 is 602055.

550206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

550206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁵⁵⁰²⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639360).

550206 is an abundant number, since it is smaller than the sum of its proper divisors (728514).

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

550206 is a wasteful number, since it uses less digits than its factorization.

550206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 550206 is about 741.7587208790. The cubic root of 550206 is about 81.9423548852.

The spelling of 550206 in words is "five hundred fifty thousand, two hundred six".