53503856873717 has 8 divisors (see below), whose sum is σ = 53609135797824. Its totient is φ = 53398614282048.

The previous prime is 53503856873699. The next prime is 53503856873723. The reversal of 53503856873717 is 71737865830535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53503856873717 - 2¹⁸ = 53503856611573 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 (53503856873767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134033 + ... + 12026390.

It is an arithmetic number, because the mean of its divisors is an integer number (6701141974728).

Almost surely, 2^{53503856873717} is an apocalyptic number.

It is an amenable number.

53503856873717 is a deficient number, since it is larger than the sum of its proper divisors (105278924107).

53503856873717 is a wasteful number, since it uses less digits than its factorization.

53503856873717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166219.

The product of its (nonzero) digits is 444528000, while the sum is 68.

The spelling of 53503856873717 in words is "fifty-three trillion, five hundred three billion, eight hundred fifty-six million, eight hundred seventy-three thousand, seven hundred seventeen".