52645035220 has 12 divisors (see below), whose sum is σ = 110554574004. Its totient is φ = 21058014080.

The previous prime is 52645035217. The next prime is 52645035269. The reversal of 52645035220 is 2253054625.

52645035220 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 2 ways, for example, as 31993045956 + 20651989264 = 178866^2 + 143708^2 .

It is a congruent number.

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, 1316125861 + ... + 1316125900.

It is an arithmetic number, because the mean of its divisors is an integer number (9212881167).

Almost surely, 2^52645035220 is an apocalyptic number.

It is an amenable number.

52645035220 is an abundant number, since it is smaller than the sum of its proper divisors (57909538784).

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

52645035220 is a wasteful number, since it uses less digits than its factorization.

52645035220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632251770 (or 2632251768 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 52645035220 its reverse (2253054625), we get a palindrome (54898089845).

The spelling of 52645035220 in words is "fifty-two billion, six hundred forty-five million, thirty-five thousand, two hundred twenty".