555550504987 has 2 divisors, whose sum is σ = 555550504988. Its totient is φ = 555550504986.

The previous prime is 555550504931. The next prime is 555550504991. The reversal of 555550504987 is 789405055555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555550504987 - 2¹⁵ = 555550472219 is a prime.

It is not a weakly prime, because it can be changed into another prime (555550544987) 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, 277775252493 + 277775252494.

It is an arithmetic number, because the mean of its divisors is an integer number (277775252494).

Almost surely, 2^555550504987 is an apocalyptic number.

555550504987 is a deficient number, since it is larger than the sum of its proper divisors (1).

555550504987 is an equidigital number, since it uses as much as digits as its factorization.

555550504987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500000, while the sum is 58.

The spelling of 555550504987 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred four thousand, nine hundred eighty-seven".