52517177744557 has 2 divisors, whose sum is σ = 52517177744558. Its totient is φ = 52517177744556.

The previous prime is 52517177744539. The next prime is 52517177744561. The reversal of 52517177744557 is 75544777171525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50947203828361 + 1569973916196 = 7137731^2 + 1252986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52517177744557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52517177744492 and 52517177744501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52517177744657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26258588872278 + 26258588872279.

It is an arithmetic number, because the mean of its divisors is an integer number (26258588872279).

Almost surely, 2^{52517177744557} is an apocalyptic number.

It is an amenable number.

52517177744557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52517177744557 is an equidigital number, since it uses as much as digits as its factorization.

52517177744557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336140000, while the sum is 67.

The spelling of 52517177744557 in words is "fifty-two trillion, five hundred seventeen billion, one hundred seventy-seven million, seven hundred forty-four thousand, five hundred fifty-seven".