556023983 has 2 divisors, whose sum is σ = 556023984. Its totient is φ = 556023982.

The previous prime is 556023917. The next prime is 556024003. The reversal of 556023983 is 389320655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556023983 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556023983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556026983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278011991 + 278011992.

It is an arithmetic number, because the mean of its divisors is an integer number (278011992).

Almost surely, 2^556023983 is an apocalyptic number.

556023983 is a deficient number, since it is larger than the sum of its proper divisors (1).

556023983 is an equidigital number, since it uses as much as digits as its factorization.

556023983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 556023983 is about 23580.1607924967. The cubic root of 556023983 is about 822.3016748202.

The spelling of 556023983 in words is "five hundred fifty-six million, twenty-three thousand, nine hundred eighty-three".