56356873 has 2 divisors, whose sum is σ = 56356874. Its totient is φ = 56356872.

The previous prime is 56356813. The next prime is 56356931. The reversal of 56356873 is 37865365.

56356873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42159049 + 14197824 = 6493^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 56356873 - 2⁹ = 56356361 is a prime.

It is not a weakly prime, because it can be changed into another prime (56356813) 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 as a sum of consecutive naturals, namely, 28178436 + 28178437.

It is an arithmetic number, because the mean of its divisors is an integer number (28178437).

Almost surely, 2^56356873 is an apocalyptic number.

It is an amenable number.

56356873 is a deficient number, since it is larger than the sum of its proper divisors (1).

56356873 is an equidigital number, since it uses as much as digits as its factorization.

56356873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 56356873 is about 7507.1214856295. The cubic root of 56356873 is about 383.3972227894.

The spelling of 56356873 in words is "fifty-six million, three hundred fifty-six thousand, eight hundred seventy-three".