52817117809 has 16 divisors (see below), whose sum is σ = 53406093312. Its totient is φ = 52232378688.

The previous prime is 52817117779. The next prime is 52817117831. The reversal of 52817117809 is 90871171825.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52817117809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52817115809) 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, 31759312 + ... + 31760974.

It is an arithmetic number, because the mean of its divisors is an integer number (3337880832).

Almost surely, 2^52817117809 is an apocalyptic number.

It is an amenable number.

52817117809 is a deficient number, since it is larger than the sum of its proper divisors (588975503).

52817117809 is a wasteful number, since it uses less digits than its factorization.

52817117809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 282240, while the sum is 49.

The spelling of 52817117809 in words is "fifty-two billion, eight hundred seventeen million, one hundred seventeen thousand, eight hundred nine".