56610863047 has 4 divisors (see below), whose sum is σ = 56611438600. Its totient is φ = 56610287496.

The previous prime is 56610863041. The next prime is 56610863059. The reversal of 56610863047 is 74036801665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74036801665 = 5 ⋅14807360333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56610863047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56610862988 and 56610863006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56610863041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98928 + ... + 350725.

It is an arithmetic number, because the mean of its divisors is an integer number (14152859650).

Almost surely, 2^56610863047 is an apocalyptic number.

56610863047 is a deficient number, since it is larger than the sum of its proper divisors (575553).

56610863047 is a wasteful number, since it uses less digits than its factorization.

56610863047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575552.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 56610863047 in words is "fifty-six billion, six hundred ten million, eight hundred sixty-three thousand, forty-seven".