556223103 has 36 divisors (see below), whose sum is σ = 851942520. Its totient is φ = 349497792.

The previous prime is 556223077. The next prime is 556223113. The reversal of 556223103 is 301322655.

556223103 is a `hidden beast` number, since 5 + 5 + 622 + 31 + 0 + 3 = 666.

It is not a de Polignac number, because 556223103 - 2¹² = 556219007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556223113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 324613 + ... + 326321.

It is an arithmetic number, because the mean of its divisors is an integer number (23665070).

Almost surely, 2^556223103 is an apocalyptic number.

556223103 is a deficient number, since it is larger than the sum of its proper divisors (295719417).

556223103 is a wasteful number, since it uses less digits than its factorization.

556223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 556223103 is about 23584.3826079887. The cubic root of 556223103 is about 822.3998223659.

Adding to 556223103 its reverse (301322655), we get a palindrome (857545758).

The spelling of 556223103 in words is "five hundred fifty-six million, two hundred twenty-three thousand, one hundred three".