56805675349 has 2 divisors, whose sum is σ = 56805675350. Its totient is φ = 56805675348.

The previous prime is 56805675337. The next prime is 56805675419. The reversal of 56805675349 is 94357650865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46507079025 + 10298596324 = 215655^2 + 101482^2 .

It is a cyclic number.

It is not a de Polignac number, because 56805675349 - 2²¹ = 56803578197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56805675293 and 56805675302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56805675649) 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 as a sum of consecutive naturals, namely, 28402837674 + 28402837675.

It is an arithmetic number, because the mean of its divisors is an integer number (28402837675).

Almost surely, 2^56805675349 is an apocalyptic number.

It is an amenable number.

56805675349 is a deficient number, since it is larger than the sum of its proper divisors (1).

56805675349 is an equidigital number, since it uses as much as digits as its factorization.

56805675349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 56805675349 in words is "fifty-six billion, eight hundred five million, six hundred seventy-five thousand, three hundred forty-nine".