56396737 has 2 divisors, whose sum is σ = 56396738. Its totient is φ = 56396736.

The previous prime is 56396707. The next prime is 56396777. The reversal of 56396737 is 73769365.

56396737 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., 48108096 + 8288641 = 6936^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 56396737 - 2¹⁹ = 55872449 is a prime.

It is not a weakly prime, because it can be changed into another prime (56396707) 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, 28198368 + 28198369.

It is an arithmetic number, because the mean of its divisors is an integer number (28198369).

Almost surely, 2^56396737 is an apocalyptic number.

It is an amenable number.

56396737 is a deficient number, since it is larger than the sum of its proper divisors (1).

56396737 is an equidigital number, since it uses as much as digits as its factorization.

56396737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 46.

The square root of 56396737 is about 7509.7760951975. The cubic root of 56396737 is about 383.4876000811.

The spelling of 56396737 in words is "fifty-six million, three hundred ninety-six thousand, seven hundred thirty-seven".