56396851 has 32 divisors (see below), whose sum is σ = 71331840. Its totient is φ = 43524096.

The previous prime is 56396849. The next prime is 56396881. The reversal of 56396851 is 15869365.

56396851 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 56396851 - 2¹ = 56396849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56396798 and 56396807.

It is not an unprimeable number, because it can be changed into a prime (56396801) 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 31 ways as a sum of consecutive naturals, for example, 219315 + ... + 219571.

It is an arithmetic number, because the mean of its divisors is an integer number (2229120).

Almost surely, 2^56396851 is an apocalyptic number.

56396851 is a deficient number, since it is larger than the sum of its proper divisors (14934989).

56396851 is a wasteful number, since it uses less digits than its factorization.

56396851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its digits is 194400, while the sum is 43.

The square root of 56396851 is about 7509.7836853001. The cubic root of 56396851 is about 383.4878584741.

The spelling of 56396851 in words is "fifty-six million, three hundred ninety-six thousand, eight hundred fifty-one".