556110427 has 2 divisors, whose sum is σ = 556110428. Its totient is φ = 556110426.

The previous prime is 556110419. The next prime is 556110431. The reversal of 556110427 is 724011655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556110427 - 2³ = 556110419 is a prime.

It is not a weakly prime, because it can be changed into another prime (556110497) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278055213 + 278055214.

It is an arithmetic number, because the mean of its divisors is an integer number (278055214).

Almost surely, 2^556110427 is an apocalyptic number.

556110427 is a deficient number, since it is larger than the sum of its proper divisors (1).

556110427 is an equidigital number, since it uses as much as digits as its factorization.

556110427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 556110427 is about 23581.9937028233. The cubic root of 556110427 is about 822.3442865088.

The spelling of 556110427 in words is "five hundred fifty-six million, one hundred ten thousand, four hundred twenty-seven".