52089897071521 has 2 divisors, whose sum is σ = 52089897071522. Its totient is φ = 52089897071520.

The previous prime is 52089897071453. The next prime is 52089897071551. The reversal of 52089897071521 is 12517079898025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52073758926225 + 16138145296 = 7216215^2 + 127036^2 .

It is a cyclic number.

It is not a de Polignac number, because 52089897071521 - 2³⁵ = 52055537333153 is a prime.

It is not a weakly prime, because it can be changed into another prime (52089897071551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26044948535760 + 26044948535761.

It is an arithmetic number, because the mean of its divisors is an integer number (26044948535761).

Almost surely, 2^{52089897071521} is an apocalyptic number.

It is an amenable number.

52089897071521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52089897071521 is an equidigital number, since it uses as much as digits as its factorization.

52089897071521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 64.

The spelling of 52089897071521 in words is "fifty-two trillion, eighty-nine billion, eight hundred ninety-seven million, seventy-one thousand, five hundred twenty-one".