556159 has 2 divisors, whose sum is σ = 556160. Its totient is φ = 556158.

The previous prime is 556123. The next prime is 556177. The reversal of 556159 is 951655.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278079 + 278080.

It is an arithmetic number, because the mean of its divisors is an integer number (278080).

2⁵⁵⁶¹⁵⁹ is an apocalyptic number.

556159 is a deficient number, since it is larger than the sum of its proper divisors (1).

556159 is an equidigital number, since it uses as much as digits as its factorization.

556159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 31.

The square root of 556159 is about 745.7606854749. The cubic root of 556159 is about 82.2368228136.

The spelling of 556159 in words is "five hundred fifty-six thousand, one hundred fifty-nine".