56805399941 has 2 divisors, whose sum is σ = 56805399942. Its totient is φ = 56805399940.

The previous prime is 56805399901. The next prime is 56805399953. The reversal of 56805399941 is 14999350865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46463526916 + 10341873025 = 215554^2 + 101695^2 .

It is a cyclic number.

It is not a de Polignac number, because 56805399941 - 2³⁰ = 55731658117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56805399901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28402699970 + 28402699971.

It is an arithmetic number, because the mean of its divisors is an integer number (28402699971).

Almost surely, 2^56805399941 is an apocalyptic number.

It is an amenable number.

56805399941 is a deficient number, since it is larger than the sum of its proper divisors (1).

56805399941 is an equidigital number, since it uses as much as digits as its factorization.

56805399941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 56805399941 in words is "fifty-six billion, eight hundred five million, three hundred ninety-nine thousand, nine hundred forty-one".