555223 has 4 divisors (see below), whose sum is σ = 560520. Its totient is φ = 549928.

The previous prime is 555221. The next prime is 555251. The reversal of 555223 is 322555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555223 - 2¹ = 555221 is a prime.

It is a Duffinian number.

555223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 555194 and 555203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (140130).

2⁵⁵⁵²²³ is an apocalyptic number.

555223 is a deficient number, since it is larger than the sum of its proper divisors (5297).

555223 is a wasteful number, since it uses less digits than its factorization.

555223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296.

The product of its digits is 1500, while the sum is 22.

The square root of 555223 is about 745.1328740567. The cubic root of 555223 is about 82.1906628198.

Adding to 555223 its reverse (322555), we get a palindrome (877778).

The spelling of 555223 in words is "five hundred fifty-five thousand, two hundred twenty-three".