550223 has 4 divisors (see below), whose sum is σ = 551760. Its totient is φ = 548688.

The previous prime is 550213. The next prime is 550241. The reversal of 550223 is 322055.

550223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550223 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 5⁵ + 2 + 0 + 2¹⁹ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (137940).

2⁵⁵⁰²²³ is an apocalyptic number.

550223 is a deficient number, since it is larger than the sum of its proper divisors (1537).

550223 is an equidigital number, since it uses as much as digits as its factorization.

550223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 550223 is about 741.7701800423. The cubic root of 550223 is about 81.9431988149.

Adding to 550223 its reverse (322055), we get a palindrome (872278).

The spelling of 550223 in words is "five hundred fifty thousand, two hundred twenty-three".