556104959 has 2 divisors, whose sum is σ = 556104960. Its totient is φ = 556104958.

The previous prime is 556104947. The next prime is 556105027. The reversal of 556104959 is 959401655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556104959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556104929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278052479 + 278052480.

It is an arithmetic number, because the mean of its divisors is an integer number (278052480).

Almost surely, 2^556104959 is an apocalyptic number.

556104959 is a deficient number, since it is larger than the sum of its proper divisors (1).

556104959 is an equidigital number, since it uses as much as digits as its factorization.

556104959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 556104959 is about 23581.8777666241. The cubic root of 556104959 is about 822.3415912448.

The spelling of 556104959 in words is "five hundred fifty-six million, one hundred four thousand, nine hundred fifty-nine".