555628223 has 4 divisors (see below), whose sum is σ = 570645240. Its totient is φ = 540611208.

The previous prime is 555628217. The next prime is 555628231. The reversal of 555628223 is 322826555.

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 555628223 - 2²⁰ = 554579647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555628823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508453 + ... + 7508526.

It is an arithmetic number, because the mean of its divisors is an integer number (142661310).

Almost surely, 2^555628223 is an apocalyptic number.

555628223 is a deficient number, since it is larger than the sum of its proper divisors (15017017).

555628223 is a wasteful number, since it uses less digits than its factorization.

555628223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15017016.

The product of its digits is 144000, while the sum is 38.

The square root of 555628223 is about 23571.7674984291. The cubic root of 555628223 is about 822.1065325466.

The spelling of 555628223 in words is "five hundred fifty-five million, six hundred twenty-eight thousand, two hundred twenty-three".