53013165300521 has 2 divisors, whose sum is σ = 53013165300522. Its totient is φ = 53013165300520.

The previous prime is 53013165300503. The next prime is 53013165300527. The reversal of 53013165300521 is 12500356131035.

53013165300521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41580895305625 + 11432269994896 = 6448325^2 + 3381164^2 .

It is a cyclic number.

It is not a de Polignac number, because 53013165300521 - 2¹⁸ = 53013165038377 is a prime.

It is not a weakly prime, because it can be changed into another prime (53013165300527) 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, 26506582650260 + 26506582650261.

It is an arithmetic number, because the mean of its divisors is an integer number (26506582650261).

Almost surely, 2^{53013165300521} is an apocalyptic number.

It is an amenable number.

53013165300521 is a deficient number, since it is larger than the sum of its proper divisors (1).

53013165300521 is an equidigital number, since it uses as much as digits as its factorization.

53013165300521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 53013165300521 in words is "fifty-three trillion, thirteen billion, one hundred sixty-five million, three hundred thousand, five hundred twenty-one".