63563568 has 40 divisors (see below), whose sum is σ = 165726000. Its totient is φ = 20991744.

The previous prime is 63563567. The next prime is 63563579. The reversal of 63563568 is 86536536.

It is not an unprimeable number, because it can be changed into a prime (63563567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (4143150).

Almost surely, 2^63563568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63563568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82863000).

63563568 is an abundant number, since it is smaller than the sum of its proper divisors (102162432).

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

63563568 is a wasteful number, since it uses less digits than its factorization.

63563568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269 (or 12263 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 63563568 is about 7972.6763385955. The cubic root of 63563568 is about 399.0886920379.

The spelling of 63563568 in words is "sixty-three million, five hundred sixty-three thousand, five hundred sixty-eight".