56747935243 has 2 divisors, whose sum is σ = 56747935244. Its totient is φ = 56747935242.

The previous prime is 56747935217. The next prime is 56747935261. The reversal of 56747935243 is 34253974765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56747935243 - 2²¹ = 56745838091 is a prime.

It is not a weakly prime, because it can be changed into another prime (56747935273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28373967621 + 28373967622.

It is an arithmetic number, because the mean of its divisors is an integer number (28373967622).

Almost surely, 2^56747935243 is an apocalyptic number.

56747935243 is a deficient number, since it is larger than the sum of its proper divisors (1).

56747935243 is an equidigital number, since it uses as much as digits as its factorization.

56747935243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 55.

The spelling of 56747935243 in words is "fifty-six billion, seven hundred forty-seven million, nine hundred thirty-five thousand, two hundred forty-three".