555998819 has 2 divisors, whose sum is σ = 555998820. Its totient is φ = 555998818.

The previous prime is 555998801. The next prime is 555998837. The reversal of 555998819 is 918899555.

555998819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (555998801) and next prime (555998837).

It is a cyclic number.

It is not a de Polignac number, because 555998819 - 2⁸ = 555998563 is a prime.

It is a super-2 number, since 2×555998819² = 618269373458789522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555998869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277999409 + 277999410.

It is an arithmetic number, because the mean of its divisors is an integer number (277999410).

Almost surely, 2^555998819 is an apocalyptic number.

555998819 is a deficient number, since it is larger than the sum of its proper divisors (1).

555998819 is an equidigital number, since it uses as much as digits as its factorization.

555998819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832000, while the sum is 59.

The square root of 555998819 is about 23579.6272023117. The cubic root of 555998819 is about 822.2892696529.

The spelling of 555998819 in words is "five hundred fifty-five million, nine hundred ninety-eight thousand, eight hundred nineteen".