56611163 has 16 divisors (see below), whose sum is σ = 66017280. Its totient is φ = 47545056.

The previous prime is 56611157. The next prime is 56611187. The reversal of 56611163 is 36111665.

It is a cyclic number.

It is not a de Polignac number, because 56611163 - 2⁶ = 56611099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56611133) 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 in 15 ways as a sum of consecutive naturals, for example, 92045 + ... + 92657.

It is an arithmetic number, because the mean of its divisors is an integer number (4126080).

Almost surely, 2^56611163 is an apocalyptic number.

56611163 is a deficient number, since it is larger than the sum of its proper divisors (9406117).

56611163 is a wasteful number, since it uses less digits than its factorization.

56611163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

The product of its digits is 3240, while the sum is 29.

The square root of 56611163 is about 7524.0390084050. The cubic root of 56611163 is about 383.9730047393.

The spelling of 56611163 in words is "fifty-six million, six hundred eleven thousand, one hundred sixty-three".