56856133 has 4 divisors (see below), whose sum is σ = 57704800. Its totient is φ = 56007468.

The previous prime is 56856131. The next prime is 56856167. The reversal of 56856133 is 33165865.

56856133 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, and also an emirpimes, since its reverse is a distinct semiprime: 33165865 = 5 ⋅6633173.

It is a cyclic number.

It is not a de Polignac number, because 56856133 - 2¹ = 56856131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56856092 and 56856101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56856131) 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, 424233 + ... + 424366.

It is an arithmetic number, because the mean of its divisors is an integer number (14426200).

Almost surely, 2^56856133 is an apocalyptic number.

It is an amenable number.

56856133 is a deficient number, since it is larger than the sum of its proper divisors (848667).

56856133 is an equidigital number, since it uses as much as digits as its factorization.

56856133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848666.

The product of its digits is 64800, while the sum is 37.

The square root of 56856133 is about 7540.3005908253. The cubic root of 56856133 is about 384.5260553579.

The spelling of 56856133 in words is "fifty-six million, eight hundred fifty-six thousand, one hundred thirty-three".