51770321856049 has 2 divisors, whose sum is σ = 51770321856050. Its totient is φ = 51770321856048.

The previous prime is 51770321855971. The next prime is 51770321856053. The reversal of 51770321856049 is 94065812307715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36201497165824 + 15568824690225 = 6016768^2 + 3945735^2 .

It is a cyclic number.

It is not a de Polignac number, because 51770321856049 - 2⁹ = 51770321855537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51770321855984 and 51770321856002.

It is not a weakly prime, because it can be changed into another prime (51770321851049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25885160928024 + 25885160928025.

It is an arithmetic number, because the mean of its divisors is an integer number (25885160928025).

It is a 2-persistent number, because it is pandigital, and so is 2⋅51770321856049 = 103540643712098, but 3⋅51770321856049 = 155310965568147 is not.

Almost surely, 2^{51770321856049} is an apocalyptic number.

It is an amenable number.

51770321856049 is a deficient number, since it is larger than the sum of its proper divisors (1).

51770321856049 is an equidigital number, since it uses as much as digits as its factorization.

51770321856049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 51770321856049 in words is "fifty-one trillion, seven hundred seventy billion, three hundred twenty-one million, eight hundred fifty-six thousand, forty-nine".