52507845820 has 24 divisors (see below), whose sum is σ = 110271410928. Its totient is φ = 21002198400.

The previous prime is 52507845809. The next prime is 52507845829. The reversal of 52507845820 is 2854870525.

52507845820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52507845829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556480 + ... + 643960.

It is an arithmetic number, because the mean of its divisors is an integer number (4594642122).

Almost surely, 2^52507845820 is an apocalyptic number.

It is an amenable number.

52507845820 is an abundant number, since it is smaller than the sum of its proper divisors (57763565108).

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

52507845820 is a wasteful number, since it uses less digits than its factorization.

52507845820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117501 (or 117499 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 52507845820 in words is "fifty-two billion, five hundred seven million, eight hundred forty-five thousand, eight hundred twenty".