556723799 has 2 divisors, whose sum is σ = 556723800. Its totient is φ = 556723798.

The previous prime is 556723781. The next prime is 556723801. The reversal of 556723799 is 997327655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556723799 - 2²⁰ = 555675223 is a prime.

Together with 556723801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556723799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556723399) 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, 278361899 + 278361900.

It is an arithmetic number, because the mean of its divisors is an integer number (278361900).

Almost surely, 2^556723799 is an apocalyptic number.

556723799 is a deficient number, since it is larger than the sum of its proper divisors (1).

556723799 is an equidigital number, since it uses as much as digits as its factorization.

556723799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 53.

The square root of 556723799 is about 23594.9952108493. The cubic root of 556723799 is about 822.6465152282.

The spelling of 556723799 in words is "five hundred fifty-six million, seven hundred twenty-three thousand, seven hundred ninety-nine".