52517177744561 has 2 divisors, whose sum is σ = 52517177744562. Its totient is φ = 52517177744560.

The previous prime is 52517177744557. The next prime is 52517177744569. The reversal of 52517177744561 is 16544777171525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49610047033600 + 2907130710961 = 7043440^2 + 1705031^2 .

It is a cyclic number.

It is not a de Polignac number, because 52517177744561 - 2² = 52517177744557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52517177744494 and 52517177744503.

It is not a weakly prime, because it can be changed into another prime (52517177744569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26258588872280 + 26258588872281.

It is an arithmetic number, because the mean of its divisors is an integer number (26258588872281).

Almost surely, 2^{52517177744561} is an apocalyptic number.

It is an amenable number.

52517177744561 is a deficient number, since it is larger than the sum of its proper divisors (1).

52517177744561 is an equidigital number, since it uses as much as digits as its factorization.

52517177744561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57624000, while the sum is 62.

The spelling of 52517177744561 in words is "fifty-two trillion, five hundred seventeen billion, one hundred seventy-seven million, seven hundred forty-four thousand, five hundred sixty-one".