57238543563517 has 16 divisors (see below), whose sum is σ = 58332299065920. Its totient is φ = 56152232535168.

The previous prime is 57238543563503. The next prime is 57238543563541. The reversal of 57238543563517 is 71536534583275.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57238543563517 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 (57238543563547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17286823 + ... + 20330059.

It is an arithmetic number, because the mean of its divisors is an integer number (3645768691620).

Almost surely, 2^{57238543563517} is an apocalyptic number.

It is an amenable number.

57238543563517 is a deficient number, since it is larger than the sum of its proper divisors (1093755502403).

57238543563517 is a wasteful number, since it uses less digits than its factorization.

57238543563517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044460.

The product of its digits is 317520000, while the sum is 64.

The spelling of 57238543563517 in words is "fifty-seven trillion, two hundred thirty-eight billion, five hundred forty-three million, five hundred sixty-three thousand, five hundred seventeen".