56117563 has 2 divisors, whose sum is σ = 56117564. Its totient is φ = 56117562.

The previous prime is 56117549. The next prime is 56117569. The reversal of 56117563 is 36571165.

56117563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56117563 - 2⁵ = 56117531 is a prime.

It is not a weakly prime, because it can be changed into another prime (56117569) 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, 28058781 + 28058782.

It is an arithmetic number, because the mean of its divisors is an integer number (28058782).

Almost surely, 2^56117563 is an apocalyptic number.

56117563 is a deficient number, since it is larger than the sum of its proper divisors (1).

56117563 is an equidigital number, since it uses as much as digits as its factorization.

56117563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 56117563 is about 7491.1656636334. The cubic root of 56117563 is about 382.8537755289.

The spelling of 56117563 in words is "fifty-six million, one hundred seventeen thousand, five hundred sixty-three".