63253632 has 64 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 19461120.

The previous prime is 63253621. The next prime is 63253691. The reversal of 63253632 is 23635236.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×63253632² = 8002043922382848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63253632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^63253632 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 63253632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90478080).

63253632 is an abundant number, since it is smaller than the sum of its proper divisors (117702528).

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

63253632 is a wasteful number, since it uses less digits than its factorization.

63253632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12701 (or 12689 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 63253632 is about 7953.2151988991. The cubic root of 63253632 is about 398.4389826535.

Adding to 63253632 its reverse (23635236), we get a palindrome (86888868).

The spelling of 63253632 in words is "sixty-three million, two hundred fifty-three thousand, six hundred thirty-two".