63539922 has 16 divisors (see below), whose sum is σ = 127541952. Its totient is φ = 21102960.

The previous prime is 63539921. The next prime is 63539923. The reversal of 63539922 is 22993536.

63539922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63539921) and next prime (63539923).

It is not an unprimeable number, because it can be changed into a prime (63539921) 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, 17454 + ... + 20777.

It is an arithmetic number, because the mean of its divisors is an integer number (7971372).

Almost surely, 2^63539922 is an apocalyptic number.

63539922 is an abundant number, since it is smaller than the sum of its proper divisors (64002030).

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

63539922 is a wasteful number, since it uses less digits than its factorization.

63539922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38513.

The product of its digits is 87480, while the sum is 39.

The square root of 63539922 is about 7971.1932607358. The cubic root of 63539922 is about 399.0391981641.

The spelling of 63539922 in words is "sixty-three million, five hundred thirty-nine thousand, nine hundred twenty-two".