53517213473 has 2 divisors, whose sum is σ = 53517213474. Its totient is φ = 53517213472.

The previous prime is 53517213439. The next prime is 53517213601. The reversal of 53517213473 is 37431271535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47695065664 + 5822147809 = 218392^2 + 76303^2 .

It is a cyclic number.

It is not a de Polignac number, because 53517213473 - 2¹⁸ = 53516951329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53517213473.

It is not a weakly prime, because it can be changed into another prime (53517213403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758606736 + 26758606737.

It is an arithmetic number, because the mean of its divisors is an integer number (26758606737).

Almost surely, 2^53517213473 is an apocalyptic number.

It is an amenable number.

53517213473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53517213473 is an equidigital number, since it uses as much as digits as its factorization.

53517213473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The spelling of 53517213473 in words is "fifty-three billion, five hundred seventeen million, two hundred thirteen thousand, four hundred seventy-three".