63523632 has 20 divisors (see below), whose sum is σ = 164102840. Its totient is φ = 21174528.

The previous prime is 63523609. The next prime is 63523633. The reversal of 63523632 is 23632536.

It is a self number, because there is not a number n which added to its sum of digits gives 63523632.

It is not an unprimeable number, because it can be changed into a prime (63523633) 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, 661657 + ... + 661752.

It is an arithmetic number, because the mean of its divisors is an integer number (8205142).

Almost surely, 2^63523632 is an apocalyptic number.

It is an amenable number.

63523632 is an abundant number, since it is smaller than the sum of its proper divisors (100579208).

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

63523632 is a wasteful number, since it uses less digits than its factorization.

63523632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323420 (or 1323414 counting only the distinct ones).

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

The square root of 63523632 is about 7970.1713908799. The cubic root of 63523632 is about 399.0050941241.

The spelling of 63523632 in words is "sixty-three million, five hundred twenty-three thousand, six hundred thirty-two".