53002505813 has 2 divisors, whose sum is σ = 53002505814. Its totient is φ = 53002505812.

The previous prime is 53002505711. The next prime is 53002505861. The reversal of 53002505813 is 31850520035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31010505604 + 21992000209 = 176098^2 + 148297^2 .

It is a cyclic number.

It is not a de Polignac number, because 53002505813 - 2¹⁴ = 53002489429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53002505813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53002535813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501252906 + 26501252907.

It is an arithmetic number, because the mean of its divisors is an integer number (26501252907).

Almost surely, 2^53002505813 is an apocalyptic number.

It is an amenable number.

53002505813 is a deficient number, since it is larger than the sum of its proper divisors (1).

53002505813 is an equidigital number, since it uses as much as digits as its factorization.

53002505813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 53002505813 in words is "fifty-three billion, two million, five hundred five thousand, eight hundred thirteen".