56565705 has 16 divisors (see below), whose sum is σ = 103434624. Its totient is φ = 25858560.

The previous prime is 56565667. The next prime is 56565713. The reversal of 56565705 is 50756565.

It is not a de Polignac number, because 56565705 - 2¹¹ = 56563657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269256 + ... + 269465.

It is an arithmetic number, because the mean of its divisors is an integer number (6464664).

Almost surely, 2^56565705 is an apocalyptic number.

It is an amenable number.

56565705 is a deficient number, since it is larger than the sum of its proper divisors (46868919).

56565705 is a wasteful number, since it uses less digits than its factorization.

56565705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538736.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 56565705 is about 7521.0175508371. The cubic root of 56565705 is about 383.8702021708.

The spelling of 56565705 in words is "fifty-six million, five hundred sixty-five thousand, seven hundred five".