63655442 has 8 divisors (see below), whose sum is σ = 96410496. Its totient is φ = 31518612.

The previous prime is 63655441. The next prime is 63655447. The reversal of 63655442 is 24455636.

It is a happy number.

63655442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63655441) 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 3 ways as a sum of consecutive naturals, for example, 154298 + ... + 154709.

It is an arithmetic number, because the mean of its divisors is an integer number (12051312).

Almost surely, 2^63655442 is an apocalyptic number.

63655442 is a deficient number, since it is larger than the sum of its proper divisors (32755054).

63655442 is a wasteful number, since it uses less digits than its factorization.

63655442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309112.

The product of its digits is 86400, while the sum is 35.

The square root of 63655442 is about 7978.4360622869. The cubic root of 63655442 is about 399.2808787697.

The spelling of 63655442 in words is "sixty-three million, six hundred fifty-five thousand, four hundred forty-two".