63539232 has 72 divisors (see below), whose sum is σ = 172959696. Its totient is φ = 20423424.

The previous prime is 63539221. The next prime is 63539233. The reversal of 63539232 is 23293536.

It is a junction number, because it is equal to n+sod(n) for n = 63539193 and 63539202.

It is not an unprimeable number, because it can be changed into a prime (63539233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80343 + ... + 81129.

It is an arithmetic number, because the mean of its divisors is an integer number (2402218).

Almost surely, 2^63539232 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 63539232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86479848).

63539232 is an abundant number, since it is smaller than the sum of its proper divisors (109420464).

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

63539232 is a wasteful number, since it uses less digits than its factorization.

63539232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 821 counting only the distinct ones).

The product of its digits is 29160, while the sum is 33.

The square root of 63539232 is about 7971.1499797708. The cubic root of 63539232 is about 399.0377537281.

The spelling of 63539232 in words is "sixty-three million, five hundred thirty-nine thousand, two hundred thirty-two".