63845056 has 56 divisors (see below), whose sum is σ = 144255744. Its totient is φ = 27751680.

The previous prime is 63845039. The next prime is 63845099. The reversal of 63845056 is 65054836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14221 + ... + 18163.

Almost surely, 2^63845056 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 63845056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72127872).

63845056 is an abundant number, since it is smaller than the sum of its proper divisors (80410688).

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

63845056 is a wasteful number, since it uses less digits than its factorization.

63845056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 63845056 is about 7990.3101316532. The cubic root of 63845056 is about 399.6769391495.

The spelling of 63845056 in words is "sixty-three million, eight hundred forty-five thousand, fifty-six".