5556365509 has 2 divisors, whose sum is σ = 5556365510. Its totient is φ = 5556365508.

The previous prime is 5556365501. The next prime is 5556365603. The reversal of 5556365509 is 9055636555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5501930625 + 54434884 = 74175^2 + 7378^2 .

It is a cyclic number.

It is not a de Polignac number, because 5556365509 - 2³ = 5556365501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556365501) 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, 2778182754 + 2778182755.

It is an arithmetic number, because the mean of its divisors is an integer number (2778182755).

Almost surely, 2^5556365509 is an apocalyptic number.

It is an amenable number.

5556365509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556365509 is an equidigital number, since it uses as much as digits as its factorization.

5556365509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3037500, while the sum is 49.

The square root of 5556365509 is about 74541.0323848550. The cubic root of 5556365509 is about 1771.1836815187.

The spelling of 5556365509 in words is "five billion, five hundred fifty-six million, three hundred sixty-five thousand, five hundred nine".