52389720808 has 8 divisors (see below), whose sum is σ = 98230726530. Its totient is φ = 26194860400.

The previous prime is 52389720797. The next prime is 52389720809. The reversal of 52389720808 is 80802798325.

52389720808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34871080644 + 17518640164 = 186738^2 + 132358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (52389720809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274357543 + ... + 3274357558.

Almost surely, 2^52389720808 is an apocalyptic number.

It is an amenable number.

52389720808 is a deficient number, since it is larger than the sum of its proper divisors (45841005722).

52389720808 is a wasteful number, since it uses less digits than its factorization.

52389720808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548715107 (or 6548715103 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 52389720808 in words is "fifty-two billion, three hundred eighty-nine million, seven hundred twenty thousand, eight hundred eight".