63648804055 has 24 divisors (see below), whose sum is σ = 78372378000. Its totient is φ = 49622883840.

The previous prime is 63648804019. The next prime is 63648804077. The reversal of 63648804055 is 55040884636.

It is a happy number.

It is not a de Polignac number, because 63648804055 - 2²⁵ = 63615249623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8813236 + ... + 8820454.

It is an arithmetic number, because the mean of its divisors is an integer number (3265515750).

Almost surely, 2^63648804055 is an apocalyptic number.

63648804055 is a deficient number, since it is larger than the sum of its proper divisors (14723573945).

63648804055 is a wasteful number, since it uses less digits than its factorization.

63648804055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355 (or 8314 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 63648804055 in words is "sixty-three billion, six hundred forty-eight million, eight hundred four thousand, fifty-five".