5642564655 has 64 divisors (see below), whose sum is σ = 11494748160. Its totient is φ = 2298917376.

The previous prime is 5642564647. The next prime is 5642564657. The reversal of 5642564655 is 5564652465.

5642564655 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 5642564655 - 2³ = 5642564647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642564657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31687 + ... + 110856.

It is an arithmetic number, because the mean of its divisors is an integer number (179605440).

Almost surely, 2^5642564655 is an apocalyptic number.

5642564655 is an abundant number, since it is smaller than the sum of its proper divisors (5852183505).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5642564655 is a wasteful number, since it uses less digits than its factorization.

5642564655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142600.

The product of its digits is 4320000, while the sum is 48.

The square root of 5642564655 is about 75117.0064299690. The cubic root of 5642564655 is about 1780.2958577993.

The spelling of 5642564655 in words is "five billion, six hundred forty-two million, five hundred sixty-four thousand, six hundred fifty-five".