63564801 has 16 divisors (see below), whose sum is σ = 90599040. Its totient is φ = 39543680.

The previous prime is 63564799. The next prime is 63564811. The reversal of 63564801 is 10846536.

It is not a de Polignac number, because 63564801 - 2¹ = 63564799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63564811) 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, 8406 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (5662440).

Almost surely, 2^63564801 is an apocalyptic number.

It is an amenable number.

63564801 is a deficient number, since it is larger than the sum of its proper divisors (27034239).

63564801 is a wasteful number, since it uses less digits than its factorization.

63564801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22536.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 63564801 is about 7972.7536648262. The cubic root of 63564801 is about 399.0912725159.

The spelling of 63564801 in words is "sixty-three million, five hundred sixty-four thousand, eight hundred one".