556108271 has 2 divisors, whose sum is σ = 556108272. Its totient is φ = 556108270.

The previous prime is 556108253. The next prime is 556108279. The reversal of 556108271 is 172801655.

556108271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556108271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556108279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278054135 + 278054136.

It is an arithmetic number, because the mean of its divisors is an integer number (278054136).

Almost surely, 2^556108271 is an apocalyptic number.

556108271 is a deficient number, since it is larger than the sum of its proper divisors (1).

556108271 is an equidigital number, since it uses as much as digits as its factorization.

556108271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 556108271 is about 23581.9479899350. The cubic root of 556108271 is about 822.3432237843.

The spelling of 556108271 in words is "five hundred fifty-six million, one hundred eight thousand, two hundred seventy-one".