63455896 has 64 divisors (see below), whose sum is σ = 149414400. Its totient is φ = 24634368.

The previous prime is 63455869. The next prime is 63455939. The reversal of 63455896 is 69855436.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23176 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (2334600).

Almost surely, 2^63455896 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 63455896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74707200).

63455896 is an abundant number, since it is smaller than the sum of its proper divisors (85958504).

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

63455896 is a wasteful number, since it uses less digits than its factorization.

63455896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2644 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 63455896 is about 7965.9209134914. The cubic root of 63455896 is about 398.8632224022.

The spelling of 63455896 in words is "sixty-three million, four hundred fifty-five thousand, eight hundred ninety-six".