556004959 has 2 divisors, whose sum is σ = 556004960. Its totient is φ = 556004958.

The previous prime is 556004887. The next prime is 556004987. The reversal of 556004959 is 959400655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556004959 - 2⁷ = 556004831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556104959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278002479 + 278002480.

It is an arithmetic number, because the mean of its divisors is an integer number (278002480).

Almost surely, 2^556004959 is an apocalyptic number.

556004959 is a deficient number, since it is larger than the sum of its proper divisors (1).

556004959 is an equidigital number, since it uses as much as digits as its factorization.

556004959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 556004959 is about 23579.7573990913. The cubic root of 556004959 is about 822.2922965404.

The spelling of 556004959 in words is "five hundred fifty-six million, four thousand, nine hundred fifty-nine".