6555506565 has 16 divisors (see below), whose sum is σ = 10489909248. Its totient is φ = 3495903936.

The previous prime is 6555506557. The next prime is 6555506591. The reversal of 6555506565 is 5656055556.

6555506565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6555506565 - 2³ = 6555506557 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 187399 + ... + 219611.

It is an arithmetic number, because the mean of its divisors is an integer number (655619328).

Almost surely, 2^6555506565 is an apocalyptic number.

It is an amenable number.

6555506565 is a deficient number, since it is larger than the sum of its proper divisors (3934402683).

6555506565 is a wasteful number, since it uses less digits than its factorization.

6555506565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45788.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The square root of 6555506565 is about 80966.0828063208. The cubic root of 6555506565 is about 1871.5528071880.

The spelling of 6555506565 in words is "six billion, five hundred fifty-five million, five hundred six thousand, five hundred sixty-five".