53445314563 has 2 divisors, whose sum is σ = 53445314564. Its totient is φ = 53445314562.

The previous prime is 53445314543. The next prime is 53445314597. The reversal of 53445314563 is 36541354435.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53445314563 is a prime.

It is not a weakly prime, because it can be changed into another prime (53445314543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26722657281 + 26722657282.

It is an arithmetic number, because the mean of its divisors is an integer number (26722657282).

Almost surely, 2^53445314563 is an apocalyptic number.

53445314563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53445314563 is an equidigital number, since it uses as much as digits as its factorization.

53445314563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 43.

Adding to 53445314563 its reverse (36541354435), we get a palindrome (89986668998).

The spelling of 53445314563 in words is "fifty-three billion, four hundred forty-five million, three hundred fourteen thousand, five hundred sixty-three".