52845200920 has 16 divisors (see below), whose sum is σ = 118901702160. Its totient is φ = 21138080352.

The previous prime is 52845200917. The next prime is 52845200929. The reversal of 52845200920 is 2900254825.

It is a self number, because there is not a number n which added to its sum of digits gives 52845200920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52845200929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660564972 + ... + 660565051.

It is an arithmetic number, because the mean of its divisors is an integer number (7431356385).

Almost surely, 2^52845200920 is an apocalyptic number.

It is an amenable number.

52845200920 is an abundant number, since it is smaller than the sum of its proper divisors (66056501240).

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

52845200920 is a wasteful number, since it uses less digits than its factorization.

52845200920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321130034 (or 1321130030 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 52845200920 in words is "fifty-two billion, eight hundred forty-five million, two hundred thousand, nine hundred twenty".