56197873 has 4 divisors (see below), whose sum is σ = 56271348. Its totient is φ = 56124400.

The previous prime is 56197859. The next prime is 56197927. The reversal of 56197873 is 37879165.

56197873 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: 37879165 = 5 ⋅7575833.

It can be written as a sum of positive squares in 2 ways, for example, as 14311089 + 41886784 = 3783^2 + 6472^2 .

It is a cyclic number.

It is not a de Polignac number, because 56197873 - 2²¹ = 54100721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56297873) 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, 35578 + ... + 37123.

It is an arithmetic number, because the mean of its divisors is an integer number (14067837).

Almost surely, 2^56197873 is an apocalyptic number.

It is an amenable number.

56197873 is a deficient number, since it is larger than the sum of its proper divisors (73475).

56197873 is an equidigital number, since it uses as much as digits as its factorization.

56197873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73474.

The product of its digits is 317520, while the sum is 46.

The square root of 56197873 is about 7496.5240611900. The cubic root of 56197873 is about 383.0363228418.

The spelling of 56197873 in words is "fifty-six million, one hundred ninety-seven thousand, eight hundred seventy-three".