56189133 has 126 divisors (see below), whose sum is σ = 116004462. Its totient is φ = 26943840.

The previous prime is 56189123. The next prime is 56189141. The reversal of 56189133 is 33198165.

It is a happy number.

56189133 is a `hidden beast` number, since 5 + 618 + 9 + 1 + 33 = 666.

56189133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 17288964 = 6237^2 + 4158^2 .

It is not a de Polignac number, because 56189133 - 2⁵ = 56189101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56189123) 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 125 ways as a sum of consecutive naturals, for example, 4322235 + ... + 4322247.

Almost surely, 2^56189133 is an apocalyptic number.

It is an amenable number.

56189133 is an abundant number, since it is smaller than the sum of its proper divisors (59815329).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56189133 is a wasteful number, since it uses less digits than its factorization.

56189133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 34 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 56189133 is about 7495.9411016896. The cubic root of 56189133 is about 383.0164649667.

The spelling of 56189133 in words is "fifty-six million, one hundred eighty-nine thousand, one hundred thirty-three".