56565271 has 8 divisors (see below), whose sum is σ = 64692224. Its totient is φ = 48449880.

The previous prime is 56565263. The next prime is 56565287. The reversal of 56565271 is 17256565.

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 56565271 - 2³ = 56565263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56565271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56565221) 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, 14986 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (8086528).

Almost surely, 2^56565271 is an apocalyptic number.

56565271 is a deficient number, since it is larger than the sum of its proper divisors (8126953).

56565271 is a wasteful number, since it uses less digits than its factorization.

56565271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781.

The product of its digits is 63000, while the sum is 37.

The square root of 56565271 is about 7520.9886983029. The cubic root of 56565271 is about 383.8692204211.

The spelling of 56565271 in words is "fifty-six million, five hundred sixty-five thousand, two hundred seventy-one".