6603565055 has 4 divisors (see below), whose sum is σ = 7924278072. Its totient is φ = 5282852040.

The previous prime is 6603564959. The next prime is 6603565079. The reversal of 6603565055 is 5505653066.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6603565055 - 2²² = 6599370751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660356501 + ... + 660356510.

It is an arithmetic number, because the mean of its divisors is an integer number (1981069518).

Almost surely, 2^6603565055 is an apocalyptic number.

6603565055 is a deficient number, since it is larger than the sum of its proper divisors (1320713017).

6603565055 is a wasteful number, since it uses less digits than its factorization.

6603565055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320713016.

The product of its (nonzero) digits is 405000, while the sum is 41.

The square root of 6603565055 is about 81262.3224809628. The cubic root of 6603565055 is about 1876.1151344627.

The spelling of 6603565055 in words is "six billion, six hundred three million, five hundred sixty-five thousand, fifty-five".