63955936 has 24 divisors (see below), whose sum is σ = 137360664. Its totient is φ = 29070720.

The previous prime is 63955909. The next prime is 63955949.

It is a happy number.

63955936 is nontrivially palindromic in base 10.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90495 + ... + 91198.

It is an arithmetic number, because the mean of its divisors is an integer number (5723361).

Almost surely, 2^63955936 is an apocalyptic number.

It is an amenable number.

63955936 is an abundant number, since it is smaller than the sum of its proper divisors (73404728).

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

63955936 is a wasteful number, since it uses less digits than its factorization.

63955936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181714 (or 181706 counting only the distinct ones).

The product of its digits is 656100, while the sum is 46.

The square root of 63955936 is about 7997.2455258045. The cubic root of 63955936 is about 399.9081789238.

The spelling of 63955936 in words is "sixty-three million, nine hundred fifty-five thousand, nine hundred thirty-six".