52065536520 has 128 divisors (see below), whose sum is σ = 158672701440. Its totient is φ = 13664428800.

The previous prime is 52065536507. The next prime is 52065536527. The reversal of 52065536520 is 2563556025.

It is not an unprimeable number, because it can be changed into a prime (52065536527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11663809 + ... + 11668271.

It is an arithmetic number, because the mean of its divisors is an integer number (1239630480).

Almost surely, 2^52065536520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52065536520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79336350720).

52065536520 is an abundant number, since it is smaller than the sum of its proper divisors (106607164920).

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

52065536520 is a wasteful number, since it uses less digits than its factorization.

52065536520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995 (or 5991 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 52065536520 in words is "fifty-two billion, sixty-five million, five hundred thirty-six thousand, five hundred twenty".