63855488 has 64 divisors (see below), whose sum is σ = 132946800. Its totient is φ = 30523392.

The previous prime is 63855481. The next prime is 63855497. The reversal of 63855488 is 88455836.

63855488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63855481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459323 + ... + 459461.

Almost surely, 2^63855488 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 63855488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66473400).

63855488 is an abundant number, since it is smaller than the sum of its proper divisors (69091312).

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

63855488 is a wasteful number, since it uses less digits than its factorization.

63855488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 275 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 63855488 is about 7990.9628956716. The cubic root of 63855488 is about 399.6987064458.

The spelling of 63855488 in words is "sixty-three million, eight hundred fifty-five thousand, four hundred eighty-eight".