556912943 has 2 divisors, whose sum is σ = 556912944. Its totient is φ = 556912942.

The previous prime is 556912931. The next prime is 556912957. The reversal of 556912943 is 349219655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556912943 - 2⁶ = 556912879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556912894 and 556912903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556912903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278456471 + 278456472.

It is an arithmetic number, because the mean of its divisors is an integer number (278456472).

Almost surely, 2^556912943 is an apocalyptic number.

556912943 is a deficient number, since it is larger than the sum of its proper divisors (1).

556912943 is an equidigital number, since it uses as much as digits as its factorization.

556912943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 556912943 is about 23599.0030086019. The cubic root of 556912943 is about 822.7396679638.

The spelling of 556912943 in words is "five hundred fifty-six million, nine hundred twelve thousand, nine hundred forty-three".