556228056959 has 2 divisors, whose sum is σ = 556228056960. Its totient is φ = 556228056958.

The previous prime is 556228056941. The next prime is 556228056971. The reversal of 556228056959 is 959650822655.

556228056959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556228056959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556228256959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278114028479 + 278114028480.

It is an arithmetic number, because the mean of its divisors is an integer number (278114028480).

Almost surely, 2^556228056959 is an apocalyptic number.

556228056959 is a deficient number, since it is larger than the sum of its proper divisors (1).

556228056959 is an equidigital number, since it uses as much as digits as its factorization.

556228056959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320000, while the sum is 62.

The spelling of 556228056959 in words is "five hundred fifty-six billion, two hundred twenty-eight million, fifty-six thousand, nine hundred fifty-nine".