6555898559 has 8 divisors (see below), whose sum is σ = 7493135520. Its totient is φ = 5618831616.

The previous prime is 6555898553. The next prime is 6555898571. The reversal of 6555898559 is 9558985556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6555898559 - 2⁸ = 6555898303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6555898495 and 6555898504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555898553) 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 7 ways as a sum of consecutive naturals, for example, 55067 + ... + 127059.

It is an arithmetic number, because the mean of its divisors is an integer number (936641940).

Almost surely, 2^6555898559 is an apocalyptic number.

6555898559 is a deficient number, since it is larger than the sum of its proper divisors (937236961).

6555898559 is a wasteful number, since it uses less digits than its factorization.

6555898559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85009.

The product of its digits is 97200000, while the sum is 65.

The square root of 6555898559 is about 80968.5034998178. The cubic root of 6555898559 is about 1871.5901103235.

The spelling of 6555898559 in words is "six billion, five hundred fifty-five million, eight hundred ninety-eight thousand, five hundred fifty-nine".