56865305 has 16 divisors (see below), whose sum is σ = 78309504. Its totient is φ = 38832000.

The previous prime is 56865301. The next prime is 56865371. The reversal of 56865305 is 50356865.

56865305 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 56865305 - 2² = 56865301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56865301) 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 15 ways as a sum of consecutive naturals, for example, 5549 + ... + 12021.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2^56865305 is an apocalyptic number.

It is an amenable number.

56865305 is a deficient number, since it is larger than the sum of its proper divisors (21444199).

56865305 is a wasteful number, since it uses less digits than its factorization.

56865305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 56865305 is about 7540.9087648638. The cubic root of 56865305 is about 384.5467314232.

The spelling of 56865305 in words is "fifty-six million, eight hundred sixty-five thousand, three hundred five".