53520314055121 has 2 divisors, whose sum is σ = 53520314055122. Its totient is φ = 53520314055120.

The previous prime is 53520314055073. The next prime is 53520314055149. The reversal of 53520314055121 is 12155041302535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47023111875600 + 6497202179521 = 6857340^2 + 2548961^2 .

It is a cyclic number.

It is not a de Polignac number, because 53520314055121 - 2⁹ = 53520314054609 is a prime.

It is not a weakly prime, because it can be changed into another prime (53520314055421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760157027560 + 26760157027561.

It is an arithmetic number, because the mean of its divisors is an integer number (26760157027561).

Almost surely, 2^{53520314055121} is an apocalyptic number.

It is an amenable number.

53520314055121 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520314055121 is an equidigital number, since it uses as much as digits as its factorization.

53520314055121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 53520314055121 its reverse (12155041302535), we get a palindrome (65675355357656).

The spelling of 53520314055121 in words is "fifty-three trillion, five hundred twenty billion, three hundred fourteen million, fifty-five thousand, one hundred twenty-one".