52161717017 has 2 divisors, whose sum is σ = 52161717018. Its totient is φ = 52161717016.

The previous prime is 52161716941. The next prime is 52161717053. The reversal of 52161717017 is 71071716125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40716782656 + 11444934361 = 201784^2 + 106981^2 .

It is a cyclic number.

It is not a de Polignac number, because 52161717017 - 2¹⁶ = 52161651481 is a prime.

It is a super-3 number, since 3×52161717017³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (52161717077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26080858508 + 26080858509.

It is an arithmetic number, because the mean of its divisors is an integer number (26080858509).

Almost surely, 2^52161717017 is an apocalyptic number.

It is an amenable number.

52161717017 is a deficient number, since it is larger than the sum of its proper divisors (1).

52161717017 is an equidigital number, since it uses as much as digits as its factorization.

52161717017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 52161717017 in words is "fifty-two billion, one hundred sixty-one million, seven hundred seventeen thousand, seventeen".