57343563517 has 4 divisors (see below), whose sum is σ = 58893389596. Its totient is φ = 55793737440.

The previous prime is 57343563503. The next prime is 57343563521. The reversal of 57343563517 is 71536534375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27791890681 + 29551672836 = 166709^2 + 171906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57343563517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57343563527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774912984 + ... + 774913057.

It is an arithmetic number, because the mean of its divisors is an integer number (14723347399).

Almost surely, 2^57343563517 is an apocalyptic number.

It is an amenable number.

57343563517 is a deficient number, since it is larger than the sum of its proper divisors (1549826079).

57343563517 is a wasteful number, since it uses less digits than its factorization.

57343563517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549826078.

The product of its digits is 3969000, while the sum is 49.

The spelling of 57343563517 in words is "fifty-seven billion, three hundred forty-three million, five hundred sixty-three thousand, five hundred seventeen".