56396393 has 2 divisors, whose sum is σ = 56396394. Its totient is φ = 56396392.

The previous prime is 56396377. The next prime is 56396411. The reversal of 56396393 is 39369365.

56396393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41434969 + 14961424 = 6437^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 56396393 - 2⁴ = 56396377 is a prime.

It is not a weakly prime, because it can be changed into another prime (56396303) 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, 28198196 + 28198197.

It is an arithmetic number, because the mean of its divisors is an integer number (28198197).

Almost surely, 2^56396393 is an apocalyptic number.

It is an amenable number.

56396393 is a deficient number, since it is larger than the sum of its proper divisors (1).

56396393 is an equidigital number, since it uses as much as digits as its factorization.

56396393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 44.

The square root of 56396393 is about 7509.7531916835. The cubic root of 56396393 is about 383.4868203670.

The spelling of 56396393 in words is "fifty-six million, three hundred ninety-six thousand, three hundred ninety-three".