5500005509989 has 2 divisors, whose sum is σ = 5500005509990. Its totient is φ = 5500005509988.

The previous prime is 5500005509987. The next prime is 5500005510059. The reversal of 5500005509989 is 9899055000055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5276071180900 + 223934329089 = 2296970^2 + 473217^2 .

It is a cyclic number.

It is not a de Polignac number, because 5500005509989 - 2¹ = 5500005509987 is a prime.

Together with 5500005509987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500005509987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750002754994 + 2750002754995.

It is an arithmetic number, because the mean of its divisors is an integer number (2750002754995).

Almost surely, 2^{5500005509989} is an apocalyptic number.

It is an amenable number.

5500005509989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500005509989 is an equidigital number, since it uses as much as digits as its factorization.

5500005509989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 55.

The spelling of 5500005509989 in words is "five trillion, five hundred billion, five million, five hundred nine thousand, nine hundred eighty-nine".