56578065 has 8 divisors (see below), whose sum is σ = 90524928. Its totient is φ = 30174960.

The previous prime is 56578051. The next prime is 56578099. The reversal of 56578065 is 56087565.

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

It is not a de Polignac number, because 56578065 - 2⁵ = 56578033 is a prime.

It is a super-3 number, since 3×56578065³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1885921 + ... + 1885950.

It is an arithmetic number, because the mean of its divisors is an integer number (11315616).

Almost surely, 2^56578065 is an apocalyptic number.

It is an amenable number.

56578065 is a deficient number, since it is larger than the sum of its proper divisors (33946863).

56578065 is a wasteful number, since it uses less digits than its factorization.

56578065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771879.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 56578065 is about 7521.8392032800. The cubic root of 56578065 is about 383.8981595710.

The spelling of 56578065 in words is "fifty-six million, five hundred seventy-eight thousand, sixty-five".