53909360994817 has 8 divisors (see below), whose sum is σ = 54823217342400. Its totient is φ = 52995509259504.

The previous prime is 53909360994803. The next prime is 53909360994851. The reversal of 53909360994817 is 71849906390935.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53909360994817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53909360994817.

It is not an unprimeable number, because it can be changed into a prime (53909360994877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29086588 + ... + 30884434.

It is an arithmetic number, because the mean of its divisors is an integer number (6852902167800).

Almost surely, 2^{53909360994817} is an apocalyptic number.

It is an amenable number.

53909360994817 is a deficient number, since it is larger than the sum of its proper divisors (913856347583).

53909360994817 is a wasteful number, since it uses less digits than its factorization.

53909360994817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306135.

The product of its (nonzero) digits is 396809280, while the sum is 73.

The spelling of 53909360994817 in words is "fifty-three trillion, nine hundred nine billion, three hundred sixty million, nine hundred ninety-four thousand, eight hundred seventeen".