53513220373 has 2 divisors, whose sum is σ = 53513220374. Its totient is φ = 53513220372.

The previous prime is 53513220353. The next prime is 53513220413. The reversal of 53513220373 is 37302231535.

53513220373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42891238404 + 10621981969 = 207102^2 + 103063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53513220373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53513220353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26756610186 + 26756610187.

It is an arithmetic number, because the mean of its divisors is an integer number (26756610187).

Almost surely, 2^53513220373 is an apocalyptic number.

It is an amenable number.

53513220373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53513220373 is an equidigital number, since it uses as much as digits as its factorization.

53513220373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 34.

The spelling of 53513220373 in words is "fifty-three billion, five hundred thirteen million, two hundred twenty thousand, three hundred seventy-three".