556005071 has 2 divisors, whose sum is σ = 556005072. Its totient is φ = 556005070.

The previous prime is 556005053. The next prime is 556005083. The reversal of 556005071 is 170500655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556005071 - 2²² = 551810767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556005001) 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, 278002535 + 278002536.

It is an arithmetic number, because the mean of its divisors is an integer number (278002536).

Almost surely, 2^556005071 is an apocalyptic number.

556005071 is a deficient number, since it is larger than the sum of its proper divisors (1).

556005071 is an equidigital number, since it uses as much as digits as its factorization.

556005071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 556005071 is about 23579.7597740096. The cubic root of 556005071 is about 822.2923517537.

The spelling of 556005071 in words is "five hundred fifty-six million, five thousand, seventy-one".