48639432 has 32 divisors (see below), whose sum is σ = 121968000. Its totient is φ = 16163904.

The previous prime is 48639427. The next prime is 48639433. The reversal of 48639432 is 23493684.

48639432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (48639433) 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, 5473 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (3811500).

Almost surely, 2^48639432 is an apocalyptic number.

It is an amenable number.

48639432 is an abundant number, since it is smaller than the sum of its proper divisors (73328568).

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

48639432 is a wasteful number, since it uses less digits than its factorization.

48639432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165 (or 6161 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 48639432 is about 6974.1975882534. The cubic root of 48639432 is about 365.0307899215.

The spelling of 48639432 in words is "forty-eight million, six hundred thirty-nine thousand, four hundred thirty-two".