50045755031281 has 2 divisors, whose sum is σ = 50045755031282. Its totient is φ = 50045755031280.

The previous prime is 50045755031201. The next prime is 50045755031383. The reversal of 50045755031281 is 18213055754005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48812355989056 + 1233399042225 = 6986584^2 + 1110585^2 .

It is a cyclic number.

It is not a de Polignac number, because 50045755031281 - 2⁴⁵ = 14861382942449 is a prime.

It is a super-2 number, since 2×50045755031281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50045755031201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022877515640 + 25022877515641.

It is an arithmetic number, because the mean of its divisors is an integer number (25022877515641).

Almost surely, 2^{50045755031281} is an apocalyptic number.

It is an amenable number.

50045755031281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50045755031281 is an equidigital number, since it uses as much as digits as its factorization.

50045755031281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840000, while the sum is 46.

The spelling of 50045755031281 in words is "fifty trillion, forty-five billion, seven hundred fifty-five million, thirty-one thousand, two hundred eighty-one".