56663211 has 24 divisors (see below), whose sum is σ = 83715520. Its totient is φ = 34063920.

The previous prime is 56663179. The next prime is 56663231. The reversal of 56663211 is 11236665.

56663211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56663211 - 2⁵ = 56663179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56663231) 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 in 23 ways as a sum of consecutive naturals, for example, 49896 + ... + 51018.

Almost surely, 2^56663211 is an apocalyptic number.

56663211 is a deficient number, since it is larger than the sum of its proper divisors (27052309).

56663211 is a wasteful number, since it uses less digits than its factorization.

56663211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1276 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 56663211 is about 7527.4969943534. The cubic root of 56663211 is about 384.0906429359.

Adding to 56663211 its reverse (11236665), we get a palindrome (67899876).

The spelling of 56663211 in words is "fifty-six million, six hundred sixty-three thousand, two hundred eleven".