56439408 has 20 divisors (see below), whose sum is σ = 145801928. Its totient is φ = 18813120.

The previous prime is 56439403. The next prime is 56439413. The reversal of 56439408 is 80493465.

56439408 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 (56439403) and next prime (56439413).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56439403) 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, 587863 + ... + 587958.

Almost surely, 2^56439408 is an apocalyptic number.

It is an amenable number.

56439408 is an abundant number, since it is smaller than the sum of its proper divisors (89362520).

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

56439408 is a wasteful number, since it uses less digits than its factorization.

56439408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175832 (or 1175826 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 56439408 is about 7512.6165881136. The cubic root of 56439408 is about 383.5842940562.

It can be divided in two parts, 5643 and 9408, that added together give a palindrome (15051).

The spelling of 56439408 in words is "fifty-six million, four hundred thirty-nine thousand, four hundred eight".