56566165 has 8 divisors (see below), whose sum is σ = 70069248. Its totient is φ = 43793040.

The previous prime is 56566163. The next prime is 56566171. The reversal of 56566165 is 56166565.

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

It is not a de Polignac number, because 56566165 - 2¹ = 56566163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566163) 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, 182317 + ... + 182626.

It is an arithmetic number, because the mean of its divisors is an integer number (8758656).

Almost surely, 2^56566165 is an apocalyptic number.

It is an amenable number.

56566165 is a deficient number, since it is larger than the sum of its proper divisors (13503083).

56566165 is a wasteful number, since it uses less digits than its factorization.

56566165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364979.

The product of its digits is 162000, while the sum is 40.

The square root of 56566165 is about 7521.0481317433. The cubic root of 56566165 is about 383.8712427295.

The spelling of 56566165 in words is "fifty-six million, five hundred sixty-six thousand, one hundred sixty-five".