57116554529 has 2 divisors, whose sum is σ = 57116554530. Its totient is φ = 57116554528.

The previous prime is 57116554459. The next prime is 57116554543. The reversal of 57116554529 is 92545561175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42293979025 + 14822575504 = 205655^2 + 121748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57116554529 is a prime.

It is a super-3 number, since 3×57116554529³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (57116554549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558277264 + 28558277265.

It is an arithmetic number, because the mean of its divisors is an integer number (28558277265).

Almost surely, 2^57116554529 is an apocalyptic number.

It is an amenable number.

57116554529 is a deficient number, since it is larger than the sum of its proper divisors (1).

57116554529 is an equidigital number, since it uses as much as digits as its factorization.

57116554529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890000, while the sum is 50.

The spelling of 57116554529 in words is "fifty-seven billion, one hundred sixteen million, five hundred fifty-four thousand, five hundred twenty-nine".