56567065217 has 8 divisors (see below), whose sum is σ = 61327228200. Its totient is φ = 51865309440.

The previous prime is 56567065199. The next prime is 56567065343. The reversal of 56567065217 is 71256076565.

It can be written as a sum of positive squares in 4 ways, for example, as 7370050801 + 49197014416 = 85849^2 + 221804^2 .

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 56567065217 - 2¹⁰ = 56567064193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56567065517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14599784 + ... + 14603657.

It is an arithmetic number, because the mean of its divisors is an integer number (7665903525).

Almost surely, 2^56567065217 is an apocalyptic number.

It is an amenable number.

56567065217 is a deficient number, since it is larger than the sum of its proper divisors (4760162983).

56567065217 is a wasteful number, since it uses less digits than its factorization.

56567065217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29203603.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 56567065217 in words is "fifty-six billion, five hundred sixty-seven million, sixty-five thousand, two hundred seventeen".