56806044641 has 2 divisors, whose sum is σ = 56806044642. Its totient is φ = 56806044640.

The previous prime is 56806044623. The next prime is 56806044677. The reversal of 56806044641 is 14644060865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34989573025 + 21816471616 = 187055^2 + 147704^2 .

It is a cyclic number.

It is not a de Polignac number, because 56806044641 - 2⁶ = 56806044577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56806044592 and 56806044601.

It is not a weakly prime, because it can be changed into another prime (56806046641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403022320 + 28403022321.

It is an arithmetic number, because the mean of its divisors is an integer number (28403022321).

Almost surely, 2^56806044641 is an apocalyptic number.

It is an amenable number.

56806044641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56806044641 is an equidigital number, since it uses as much as digits as its factorization.

56806044641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 56806044641 in words is "fifty-six billion, eight hundred six million, forty-four thousand, six hundred forty-one".