50785357752881 has 2 divisors, whose sum is σ = 50785357752882. Its totient is φ = 50785357752880.

The previous prime is 50785357752821. The next prime is 50785357752887. The reversal of 50785357752881 is 18825775358705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45212377720225 + 5572980032656 = 6724015^2 + 2360716^2 .

It is a cyclic number.

It is not a de Polignac number, because 50785357752881 - 2⁶ = 50785357752817 is a prime.

It is a super-2 number, since 2×50785357752881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50785357752887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25392678876440 + 25392678876441.

It is an arithmetic number, because the mean of its divisors is an integer number (25392678876441).

Almost surely, 2^{50785357752881} is an apocalyptic number.

It is an amenable number.

50785357752881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50785357752881 is an equidigital number, since it uses as much as digits as its factorization.

50785357752881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560000, while the sum is 71.

The spelling of 50785357752881 in words is "fifty trillion, seven hundred eighty-five billion, three hundred fifty-seven million, seven hundred fifty-two thousand, eight hundred eighty-one".