56808673 has 4 divisors (see below), whose sum is σ = 57586948. Its totient is φ = 56030400.

The previous prime is 56808671. The next prime is 56808677. The reversal of 56808673 is 37680865.

56808673 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.

It can be written as a sum of positive squares in 2 ways, for example, as 31888609 + 24920064 = 5647^2 + 4992^2 .

It is a cyclic number.

It is not a de Polignac number, because 56808673 - 2¹ = 56808671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56808671) 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, 389028 + ... + 389173.

It is an arithmetic number, because the mean of its divisors is an integer number (14396737).

Almost surely, 2^56808673 is an apocalyptic number.

It is an amenable number.

56808673 is a deficient number, since it is larger than the sum of its proper divisors (778275).

56808673 is an equidigital number, since it uses as much as digits as its factorization.

56808673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778274.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 56808673 is about 7537.1528444101. The cubic root of 56808673 is about 384.4190326800.

The spelling of 56808673 in words is "fifty-six million, eight hundred eight thousand, six hundred seventy-three".