555505555799 has 2 divisors, whose sum is σ = 555505555800. Its totient is φ = 555505555798.

The previous prime is 555505555771. The next prime is 555505555811. The reversal of 555505555799 is 997555505555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555505555799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555505555499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277752777899 + 277752777900.

It is an arithmetic number, because the mean of its divisors is an integer number (277752777900).

Almost surely, 2^555505555799 is an apocalyptic number.

555505555799 is a deficient number, since it is larger than the sum of its proper divisors (1).

555505555799 is an equidigital number, since it uses as much as digits as its factorization.

555505555799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221484375, while the sum is 65.

The spelling of 555505555799 in words is "five hundred fifty-five billion, five hundred five million, five hundred fifty-five thousand, seven hundred ninety-nine".