56000065 has 16 divisors (see below), whose sum is σ = 74696256. Its totient is φ = 39956800.

The previous prime is 56000059. The next prime is 56000071.

56000065 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (56000059) and next prime (56000071).

It is not a de Polignac number, because 56000065 - 2²¹ = 53902913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6691 + ... + 12520.

It is an arithmetic number, because the mean of its divisors is an integer number (4668516).

Almost surely, 2^56000065 is an apocalyptic number.

56000065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56000065 is a deficient number, since it is larger than the sum of its proper divisors (18696191).

56000065 is a wasteful number, since it uses less digits than its factorization.

56000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19280.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56000065 is about 7483.3191165418. The cubic root of 56000065 is about 382.5863845789.

It can be divided in two parts, 560000 and 65, that added together give a palindrome (560065).

The spelling of 56000065 in words is "fifty-six million, sixty-five", and thus it is an aban number and an uban number.