556103 has 2 divisors, whose sum is σ = 556104. Its totient is φ = 556102.

The previous prime is 556093. The next prime is 556123. The reversal of 556103 is 301655.

556103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (556123) can be obtained adding 556103 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556103 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278051 + 278052.

It is an arithmetic number, because the mean of its divisors is an integer number (278052).

2⁵⁵⁶¹⁰³ is an apocalyptic number.

556103 is a deficient number, since it is larger than the sum of its proper divisors (1).

556103 is an equidigital number, since it uses as much as digits as its factorization.

556103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 556103 is about 745.7231389732. The cubic root of 556103 is about 82.2340625618.

Adding to 556103 its reverse (301655), we get a palindrome (857758).

The spelling of 556103 in words is "five hundred fifty-six thousand, one hundred three".