57506369317 has 2 divisors, whose sum is σ = 57506369318. Its totient is φ = 57506369316.

The previous prime is 57506369303. The next prime is 57506369341. The reversal of 57506369317 is 71396360575.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52860447396 + 4645921921 = 229914^2 + 68161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57506369317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57506369617) 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, 28753184658 + 28753184659.

It is an arithmetic number, because the mean of its divisors is an integer number (28753184659).

Almost surely, 2^57506369317 is an apocalyptic number.

It is an amenable number.

57506369317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57506369317 is an equidigital number, since it uses as much as digits as its factorization.

57506369317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 57506369317 in words is "fifty-seven billion, five hundred six million, three hundred sixty-nine thousand, three hundred seventeen".