556500103 has 2 divisors, whose sum is σ = 556500104. Its totient is φ = 556500102.

The previous prime is 556500079. The next prime is 556500187. The reversal of 556500103 is 301005655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556500103 - 2⁵ = 556500071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556500193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278250051 + 278250052.

It is an arithmetic number, because the mean of its divisors is an integer number (278250052).

Almost surely, 2^556500103 is an apocalyptic number.

556500103 is a deficient number, since it is larger than the sum of its proper divisors (1).

556500103 is an equidigital number, since it uses as much as digits as its factorization.

556500103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 556500103 is about 23590.2544072759. The cubic root of 556500103 is about 822.5363185214.

Adding to 556500103 its reverse (301005655), we get a palindrome (857505758).

The spelling of 556500103 in words is "five hundred fifty-six million, five hundred thousand, one hundred three".