56704039 has 12 divisors (see below), whose sum is σ = 67749136. Its totient is φ = 46487232.

The previous prime is 56704033. The next prime is 56704049. The reversal of 56704039 is 93040765.

56704039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56704039 - 2³ = 56704031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56703995 and 56704013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56704031) 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 11 ways as a sum of consecutive naturals, for example, 3954 + ... + 11359.

Almost surely, 2^56704039 is an apocalyptic number.

56704039 is a deficient number, since it is larger than the sum of its proper divisors (11045097).

56704039 is a wasteful number, since it uses less digits than its factorization.

56704039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15366 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 56704039 is about 7530.2084300503. The cubic root of 56704039 is about 384.1828714300.

The spelling of 56704039 in words is "fifty-six million, seven hundred four thousand, thirty-nine".