56555104817 has 8 divisors (see below), whose sum is σ = 56802102336. Its totient is φ = 56308590832.

The previous prime is 56555104813. The next prime is 56555104829. The reversal of 56555104817 is 71840155565.

56555104817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56555104817 - 2² = 56555104813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555104813) 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, 114548 + ... + 355290.

It is an arithmetic number, because the mean of its divisors is an integer number (7100262792).

Almost surely, 2^56555104817 is an apocalyptic number.

It is an amenable number.

56555104817 is a deficient number, since it is larger than the sum of its proper divisors (246997519).

56555104817 is a wasteful number, since it uses less digits than its factorization.

56555104817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241767.

The product of its (nonzero) digits is 840000, while the sum is 47.

The spelling of 56555104817 in words is "fifty-six billion, five hundred fifty-five million, one hundred four thousand, eight hundred seventeen".