53503755084649 has 2 divisors, whose sum is σ = 53503755084650. Its totient is φ = 53503755084648.

The previous prime is 53503755084631. The next prime is 53503755084697. The reversal of 53503755084649 is 94648055730535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28181573711424 + 25322181373225 = 5308632^2 + 5032115^2 .

It is a cyclic number.

It is not a de Polignac number, because 53503755084649 - 2⁹ = 53503755084137 is a prime.

It is not a weakly prime, because it can be changed into another prime (53503755082649) 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, 26751877542324 + 26751877542325.

It is an arithmetic number, because the mean of its divisors is an integer number (26751877542325).

Almost surely, 2^{53503755084649} is an apocalyptic number.

It is an amenable number.

53503755084649 is a deficient number, since it is larger than the sum of its proper divisors (1).

53503755084649 is an equidigital number, since it uses as much as digits as its factorization.

53503755084649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160000, while the sum is 64.

The spelling of 53503755084649 in words is "fifty-three trillion, five hundred three billion, seven hundred fifty-five million, eighty-four thousand, six hundred forty-nine".