56804443 has 4 divisors (see below), whose sum is σ = 56821408. Its totient is φ = 56787480.

The previous prime is 56804413. The next prime is 56804467. The reversal of 56804443 is 34440865.

56804443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34440865 = 5 ⋅6888173.

It is a cyclic number.

It is not a de Polignac number, because 56804443 - 2⁹ = 56803931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56804399 and 56804408.

It is not an unprimeable number, because it can be changed into a prime (56804413) 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, 1596 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (14205352).

Almost surely, 2^56804443 is an apocalyptic number.

56804443 is a deficient number, since it is larger than the sum of its proper divisors (16965).

56804443 is a wasteful number, since it uses less digits than its factorization.

56804443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 56804443 is about 7536.8722292474. The cubic root of 56804443 is about 384.4094911037.

The spelling of 56804443 in words is "fifty-six million, eight hundred four thousand, four hundred forty-three".