63855232 has 48 divisors (see below), whose sum is σ = 147995370. Its totient is φ = 27363840.

The previous prime is 63855223. The next prime is 63855251. The reversal of 63855232 is 23255836.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52186176 + 11669056 = 7224^2 + 3416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1182 + ... + 11362.

Almost surely, 2^63855232 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 63855232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73997685).

63855232 is an abundant number, since it is smaller than the sum of its proper divisors (84140138).

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

63855232 is a wasteful number, since it uses less digits than its factorization.

63855232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209 (or 10190 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 63855232 is about 7990.9468775609. The cubic root of 63855232 is about 399.6981723074.

The spelling of 63855232 in words is "sixty-three million, eight hundred fifty-five thousand, two hundred thirty-two".