5555500509 has 16 divisors (see below), whose sum is σ = 7982123072. Its totient is φ = 3416629248.

The previous prime is 5555500501. The next prime is 5555500547. The reversal of 5555500509 is 9050055555.

It is not a de Polignac number, because 5555500509 - 2³ = 5555500501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555500501) 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 in 15 ways as a sum of consecutive naturals, for example, 19677 + ... + 107229.

It is an arithmetic number, because the mean of its divisors is an integer number (498882692).

Almost surely, 2^5555500509 is an apocalyptic number.

It is an amenable number.

5555500509 is a deficient number, since it is larger than the sum of its proper divisors (2426622563).

5555500509 is a wasteful number, since it uses less digits than its factorization.

5555500509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89196.

The product of its (nonzero) digits is 140625, while the sum is 39.

The square root of 5555500509 is about 74535.2299855578. The cubic root of 5555500509 is about 1771.0917657156.

The spelling of 5555500509 in words is "five billion, five hundred fifty-five million, five hundred thousand, five hundred nine".