56523163 has 2 divisors, whose sum is σ = 56523164. Its totient is φ = 56523162.

The previous prime is 56523101. The next prime is 56523169. The reversal of 56523163 is 36132565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56523163 is a prime.

It is not a weakly prime, because it can be changed into another prime (56523169) 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, 28261581 + 28261582.

It is an arithmetic number, because the mean of its divisors is an integer number (28261582).

Almost surely, 2^56523163 is an apocalyptic number.

56523163 is a deficient number, since it is larger than the sum of its proper divisors (1).

56523163 is an equidigital number, since it uses as much as digits as its factorization.

56523163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 56523163 is about 7518.1888111433. The cubic root of 56523163 is about 383.7739441889.

The spelling of 56523163 in words is "fifty-six million, five hundred twenty-three thousand, one hundred sixty-three".