556126651 has 2 divisors, whose sum is σ = 556126652. Its totient is φ = 556126650.

The previous prime is 556126631. The next prime is 556126657. The reversal of 556126651 is 156621655.

556126651 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 not a de Polignac number, because 556126651 - 2⁹ = 556126139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556126651.

It is not a weakly prime, because it can be changed into another prime (556126657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278063325 + 278063326.

It is an arithmetic number, because the mean of its divisors is an integer number (278063326).

Almost surely, 2^556126651 is an apocalyptic number.

556126651 is a deficient number, since it is larger than the sum of its proper divisors (1).

556126651 is an equidigital number, since it uses as much as digits as its factorization.

556126651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 556126651 is about 23582.3376915860. The cubic root of 556126651 is about 822.3522834721.

The spelling of 556126651 in words is "five hundred fifty-six million, one hundred twenty-six thousand, six hundred fifty-one".