56565869929 has 8 divisors (see below), whose sum is σ = 56718626720. Its totient is φ = 56413215936.

The previous prime is 56565869891. The next prime is 56565869953. The reversal of 56565869929 is 92996856565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56565869929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56565869999) 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, 1148002 + ... + 1196260.

It is an arithmetic number, because the mean of its divisors is an integer number (7089828340).

Almost surely, 2^56565869929 is an apocalyptic number.

It is an amenable number.

56565869929 is a deficient number, since it is larger than the sum of its proper divisors (152756791).

56565869929 is a wasteful number, since it uses less digits than its factorization.

56565869929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51399.

The product of its digits is 314928000, while the sum is 70.

The spelling of 56565869929 in words is "fifty-six billion, five hundred sixty-five million, eight hundred sixty-nine thousand, nine hundred twenty-nine".