52440013225 has 12 divisors (see below), whose sum is σ = 67852817856. Its totient is φ = 40128009680.

The previous prime is 52440013207. The next prime is 52440013231. The reversal of 52440013225 is 52231004425.

52440013225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52440013225 - 2¹¹ = 52440011177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52440013193 and 52440013202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45599437 + ... + 45600586.

It is an arithmetic number, because the mean of its divisors is an integer number (5654401488).

Almost surely, 2^52440013225 is an apocalyptic number.

It is an amenable number.

52440013225 is a deficient number, since it is larger than the sum of its proper divisors (15412804631).

52440013225 is a wasteful number, since it uses less digits than its factorization.

52440013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91200056 (or 91200051 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 52440013225 in words is "fifty-two billion, four hundred forty million, thirteen thousand, two hundred twenty-five".