56036687243 has 2 divisors, whose sum is σ = 56036687244. Its totient is φ = 56036687242.

The previous prime is 56036687219. The next prime is 56036687323. The reversal of 56036687243 is 34278663065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56036687243 - 2¹⁸ = 56036425099 is a prime.

It is a super-4 number, since 4×56036687243⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56036687191 and 56036687200.

It is not a weakly prime, because it can be changed into another prime (56036687743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28018343621 + 28018343622.

It is an arithmetic number, because the mean of its divisors is an integer number (28018343622).

Almost surely, 2^56036687243 is an apocalyptic number.

56036687243 is a deficient number, since it is larger than the sum of its proper divisors (1).

56036687243 is an equidigital number, since it uses as much as digits as its factorization.

56036687243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 56036687243 in words is "fifty-six billion, thirty-six million, six hundred eighty-seven thousand, two hundred forty-three".