555505555499 has 2 divisors, whose sum is σ = 555505555500. Its totient is φ = 555505555498.

The previous prime is 555505555441. The next prime is 555505555559. The reversal of 555505555499 is 994555505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555505555499 - 2¹⁶ = 555505489963 is a prime.

It is not a weakly prime, because it can be changed into another prime (555505555799) 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, 277752777749 + 277752777750.

It is an arithmetic number, because the mean of its divisors is an integer number (277752777750).

Almost surely, 2^555505555499 is an apocalyptic number.

555505555499 is a deficient number, since it is larger than the sum of its proper divisors (1).

555505555499 is an equidigital number, since it uses as much as digits as its factorization.

555505555499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126562500, while the sum is 62.

The spelling of 555505555499 in words is "five hundred fifty-five billion, five hundred five million, five hundred fifty-five thousand, four hundred ninety-nine".