56043563 has 2 divisors, whose sum is σ = 56043564. Its totient is φ = 56043562.

The previous prime is 56043553. The next prime is 56043583. The reversal of 56043563 is 36534065.

56043563 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 is a cyclic number.

It is not a de Polignac number, because 56043563 - 2⁸ = 56043307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56043553) 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, 28021781 + 28021782.

It is an arithmetic number, because the mean of its divisors is an integer number (28021782).

Almost surely, 2^56043563 is an apocalyptic number.

56043563 is a deficient number, since it is larger than the sum of its proper divisors (1).

56043563 is an equidigital number, since it uses as much as digits as its factorization.

56043563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 56043563 is about 7486.2248830769. The cubic root of 56043563 is about 382.6854168186.

The spelling of 56043563 in words is "fifty-six million, forty-three thousand, five hundred sixty-three".