56439648 has 36 divisors (see below), whose sum is σ = 160501068. Its totient is φ = 18813120.

The previous prime is 56439629. The next prime is 56439653. The reversal of 56439648 is 84693465.

56439648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 97698 + ... + 98273.

It is an arithmetic number, because the mean of its divisors is an integer number (4458363).

Almost surely, 2^56439648 is an apocalyptic number.

It is an amenable number.

56439648 is an abundant number, since it is smaller than the sum of its proper divisors (104061420).

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

56439648 is a wasteful number, since it uses less digits than its factorization.

56439648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195987 (or 195976 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 56439648 is about 7512.6325612265. The cubic root of 56439648 is about 383.5848377668.

The spelling of 56439648 in words is "fifty-six million, four hundred thirty-nine thousand, six hundred forty-eight".