6544064055 has 16 divisors (see below), whose sum is σ = 10493424864. Its totient is φ = 3482526720.

The previous prime is 6544064053. The next prime is 6544064069. The reversal of 6544064055 is 5504604456.

It is not a de Polignac number, because 6544064055 - 2¹ = 6544064053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544064053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470466 + ... + 484175.

It is an arithmetic number, because the mean of its divisors is an integer number (655839054).

Almost surely, 2^6544064055 is an apocalyptic number.

6544064055 is a deficient number, since it is larger than the sum of its proper divisors (3949360809).

6544064055 is a wasteful number, since it uses less digits than its factorization.

6544064055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955106.

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 6544064055 is about 80895.3895781459. The cubic root of 6544064055 is about 1870.4632532600.

The spelling of 6544064055 in words is "six billion, five hundred forty-four million, sixty-four thousand, fifty-five".