56194643 has 2 divisors, whose sum is σ = 56194644. Its totient is φ = 56194642.

The previous prime is 56194591. The next prime is 56194667. The reversal of 56194643 is 34649165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56194643 - 2⁸ = 56194387 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56194597 and 56194606.

It is not a weakly prime, because it can be changed into another prime (56196643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28097321 + 28097322.

It is an arithmetic number, because the mean of its divisors is an integer number (28097322).

Almost surely, 2^56194643 is an apocalyptic number.

56194643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56194643 is an equidigital number, since it uses as much as digits as its factorization.

56194643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 56194643 is about 7496.3086249167. The cubic root of 56194643 is about 383.0289843017.

The spelling of 56194643 in words is "fifty-six million, one hundred ninety-four thousand, six hundred forty-three".