56564065 has 8 divisors (see below), whose sum is σ = 70217640. Its totient is φ = 43690752.

The previous prime is 56564063. The next prime is 56564093. The reversal of 56564065 is 56046565.

It can be written as a sum of positive squares in 4 ways, for example, as 11566801 + 44997264 = 3401^2 + 6708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56564065 - 2¹ = 56564063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56564063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194904 + ... + 195193.

It is an arithmetic number, because the mean of its divisors is an integer number (8777205).

Almost surely, 2^56564065 is an apocalyptic number.

It is an amenable number.

56564065 is a deficient number, since it is larger than the sum of its proper divisors (13653575).

56564065 is a wasteful number, since it uses less digits than its factorization.

56564065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390131.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 56564065 is about 7520.9085222465. The cubic root of 56564065 is about 383.8664923068.

The spelling of 56564065 in words is "fifty-six million, five hundred sixty-four thousand, sixty-five".