53979323808 has 24 divisors (see below), whose sum is σ = 141695725248. Its totient is φ = 17993107904.

The previous prime is 53979323789. The next prime is 53979323819. The reversal of 53979323808 is 80832397935.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281142216 + ... + 281142407.

It is an arithmetic number, because the mean of its divisors is an integer number (5903988552).

Almost surely, 2^53979323808 is an apocalyptic number.

It is an amenable number.

53979323808 is an abundant number, since it is smaller than the sum of its proper divisors (87716401440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53979323808 is a wasteful number, since it uses less digits than its factorization.

53979323808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562284636 (or 562284628 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 53979323808 in words is "fifty-three billion, nine hundred seventy-nine million, three hundred twenty-three thousand, eight hundred eight".