63755216 has 20 divisors (see below), whose sum is σ = 141172512. Its totient is φ = 27323616.

The previous prime is 63755213. The next prime is 63755221. The reversal of 63755216 is 61255736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63755213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284510 + ... + 284733.

Almost surely, 2^63755216 is an apocalyptic number.

It is an amenable number.

63755216 is an abundant number, since it is smaller than the sum of its proper divisors (77417296).

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

63755216 is a wasteful number, since it uses less digits than its factorization.

63755216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569258 (or 569252 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 63755216 is about 7984.6863432448. The cubic root of 63755216 is about 399.4893817833.

The spelling of 63755216 in words is "sixty-three million, seven hundred fifty-five thousand, two hundred sixteen".