56904163 has 2 divisors, whose sum is σ = 56904164. Its totient is φ = 56904162.

The previous prime is 56904161. The next prime is 56904167. The reversal of 56904163 is 36140965.

56904163 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 56904163 - 2¹ = 56904161 is a prime.

Together with 56904161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56904161) 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, 28452081 + 28452082.

It is an arithmetic number, because the mean of its divisors is an integer number (28452082).

Almost surely, 2^56904163 is an apocalyptic number.

56904163 is a deficient number, since it is larger than the sum of its proper divisors (1).

56904163 is an equidigital number, since it uses as much as digits as its factorization.

56904163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 56904163 is about 7543.4848047835. The cubic root of 56904163 is about 384.6343027730.

The spelling of 56904163 in words is "fifty-six million, nine hundred four thousand, one hundred sixty-three".