56578265 has 8 divisors (see below), whose sum is σ = 67944840. Its totient is φ = 45228672.

The previous prime is 56578259. The next prime is 56578289. The reversal of 56578265 is 56287565.

It can be written as a sum of positive squares in 4 ways, for example, as 3463321 + 53114944 = 1861^2 + 7288^2 .

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 56578265 - 2⁸ = 56578009 is a prime.

It is a super-3 number, since 3×56578265³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (8493105).

Almost surely, 2^56578265 is an apocalyptic number.

It is an amenable number.

56578265 is a deficient number, since it is larger than the sum of its proper divisors (11366575).

56578265 is a wasteful number, since it uses less digits than its factorization.

56578265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491.

The product of its digits is 504000, while the sum is 44.

The square root of 56578265 is about 7521.8524978891. The cubic root of 56578265 is about 383.8986119227.

The spelling of 56578265 in words is "fifty-six million, five hundred seventy-eight thousand, two hundred sixty-five".