63535936 has 56 divisors (see below), whose sum is σ = 139354560. Its totient is φ = 28588032.

The previous prime is 63535931. The next prime is 63535951. The reversal of 63535936 is 63953536.

It is a happy number.

63535936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63535931) 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, 23755 + ... + 26293.

Almost surely, 2^63535936 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 63535936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69677280).

63535936 is an abundant number, since it is smaller than the sum of its proper divisors (75818624).

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

63535936 is a wasteful number, since it uses less digits than its factorization.

63535936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2581 counting only the distinct ones).

The product of its digits is 218700, while the sum is 40.

The square root of 63535936 is about 7970.9432315128. The cubic root of 63535936 is about 399.0308537854.

The spelling of 63535936 in words is "sixty-three million, five hundred thirty-five thousand, nine hundred thirty-six".