53400017317 has 4 divisors (see below), whose sum is σ = 53415230176. Its totient is φ = 53384804460.

The previous prime is 53400017311. The next prime is 53400017329. The reversal of 53400017317 is 71371000435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53400017317 - 2²⁷ = 53265799589 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 (53400017311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7601163 + ... + 7608184.

It is an arithmetic number, because the mean of its divisors is an integer number (13353807544).

Almost surely, 2^53400017317 is an apocalyptic number.

It is an amenable number.

53400017317 is a deficient number, since it is larger than the sum of its proper divisors (15212859).

53400017317 is a wasteful number, since it uses less digits than its factorization.

53400017317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15212858.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 53400017317 in words is "fifty-three billion, four hundred million, seventeen thousand, three hundred seventeen".