53516125769 has 2 divisors, whose sum is σ = 53516125770. Its totient is φ = 53516125768.

The previous prime is 53516125723. The next prime is 53516125777. The reversal of 53516125769 is 96752161535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34163977225 + 19352148544 = 184835^2 + 139112^2 .

It is a cyclic number.

It is not a de Polignac number, because 53516125769 - 2¹⁶ = 53516060233 is a prime.

It is a super-2 number, since 2×53516125769² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53516125799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758062884 + 26758062885.

It is an arithmetic number, because the mean of its divisors is an integer number (26758062885).

Almost surely, 2^53516125769 is an apocalyptic number.

It is an amenable number.

53516125769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516125769 is an equidigital number, since it uses as much as digits as its factorization.

53516125769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701000, while the sum is 50.

The spelling of 53516125769 in words is "fifty-three billion, five hundred sixteen million, one hundred twenty-five thousand, seven hundred sixty-nine".