57956540717 has 2 divisors, whose sum is σ = 57956540718. Its totient is φ = 57956540716.

The previous prime is 57956540669. The next prime is 57956540723. The reversal of 57956540717 is 71704565975.

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., 53659869316 + 4296671401 = 231646^2 + 65549^2 .

It is a cyclic number.

It is not a de Polignac number, because 57956540717 - 2³⁰ = 56882798893 is a prime.

It is a super-2 number, since 2×57956540717² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57956546717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28978270358 + 28978270359.

It is an arithmetic number, because the mean of its divisors is an integer number (28978270359).

Almost surely, 2^57956540717 is an apocalyptic number.

It is an amenable number.

57956540717 is a deficient number, since it is larger than the sum of its proper divisors (1).

57956540717 is an equidigital number, since it uses as much as digits as its factorization.

57956540717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 57956540717 in words is "fifty-seven billion, nine hundred fifty-six million, five hundred forty thousand, seven hundred seventeen".