56563810617 has 8 divisors (see below), whose sum is σ = 77257887840. Its totient is φ = 36789470240.

The previous prime is 56563810579. The next prime is 56563810631. The reversal of 56563810617 is 71601836565.

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 56563810617 - 2¹⁴ = 56563794233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56563811617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229934067 + ... + 229934312.

It is an arithmetic number, because the mean of its divisors is an integer number (9657235980).

Almost surely, 2^56563810617 is an apocalyptic number.

It is an amenable number.

56563810617 is a deficient number, since it is larger than the sum of its proper divisors (20694077223).

56563810617 is a wasteful number, since it uses less digits than its factorization.

56563810617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459868423.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 56563810617 in words is "fifty-six billion, five hundred sixty-three million, eight hundred ten thousand, six hundred seventeen".