56365851 has 4 divisors (see below), whose sum is σ = 75154472. Its totient is φ = 37577232.

The previous prime is 56365849. The next prime is 56365853. The reversal of 56365851 is 15856365.

56365851 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.

It is an interprime number because it is at equal distance from previous prime (56365849) and next prime (56365853).

It is not a de Polignac number, because 56365851 - 2¹ = 56365849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56365853) 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, 9394306 + ... + 9394311.

It is an arithmetic number, because the mean of its divisors is an integer number (18788618).

Almost surely, 2^56365851 is an apocalyptic number.

56365851 is a deficient number, since it is larger than the sum of its proper divisors (18788621).

56365851 is a wasteful number, since it uses less digits than its factorization.

56365851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788620.

The product of its digits is 108000, while the sum is 39.

The square root of 56365851 is about 7507.7194273627. The cubic root of 56365851 is about 383.4175808949.

The spelling of 56365851 in words is "fifty-six million, three hundred sixty-five thousand, eight hundred fifty-one".