52580805305521 has 2 divisors, whose sum is σ = 52580805305522. Its totient is φ = 52580805305520.

The previous prime is 52580805305491. The next prime is 52580805305527. The reversal of 52580805305521 is 12550350808525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42645928248225 + 9934877057296 = 6530385^2 + 3151964^2 .

It is a cyclic number.

It is not a de Polignac number, because 52580805305521 - 2⁵ = 52580805305489 is a prime.

It is not a weakly prime, because it can be changed into another prime (52580805305527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290402652760 + 26290402652761.

It is an arithmetic number, because the mean of its divisors is an integer number (26290402652761).

Almost surely, 2^{52580805305521} is an apocalyptic number.

It is an amenable number.

52580805305521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52580805305521 is an equidigital number, since it uses as much as digits as its factorization.

52580805305521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400000, while the sum is 49.

The spelling of 52580805305521 in words is "fifty-two trillion, five hundred eighty billion, eight hundred five million, three hundred five thousand, five hundred twenty-one".