56136433 has 4 divisors (see below), whose sum is σ = 56317248. Its totient is φ = 55955620.

The previous prime is 56136403. The next prime is 56136461. The reversal of 56136433 is 33463165.

56136433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56136433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56136395 and 56136404.

It is not an unprimeable number, because it can be changed into a prime (56136403) 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 3 ways as a sum of consecutive naturals, for example, 89941 + ... + 90562.

It is an arithmetic number, because the mean of its divisors is an integer number (14079312).

Almost surely, 2^56136433 is an apocalyptic number.

It is an amenable number.

56136433 is a deficient number, since it is larger than the sum of its proper divisors (180815).

56136433 is a wasteful number, since it uses less digits than its factorization.

56136433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180814.

The product of its digits is 19440, while the sum is 31.

The square root of 56136433 is about 7492.4250413334. The cubic root of 56136433 is about 382.8966833148.

Adding to 56136433 its reverse (33463165), we get a palindrome (89599598).

The spelling of 56136433 in words is "fifty-six million, one hundred thirty-six thousand, four hundred thirty-three".