52113550725 has 36 divisors (see below), whose sum is σ = 93447464292. Its totient is φ = 27762240000.

The previous prime is 52113550679. The next prime is 52113550747. The reversal of 52113550725 is 52705531125.

52113550725 is a `hidden beast` number, since 5 + 21 + 13 + 550 + 72 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2588163876 + 49525386849 = 50874^2 + 222543^2 .

It is not a de Polignac number, because 52113550725 - 2⁷ = 52113550597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52113550725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66775 + ... + 329675.

It is an arithmetic number, because the mean of its divisors is an integer number (2595762897).

Almost surely, 2^52113550725 is an apocalyptic number.

It is an amenable number.

52113550725 is a deficient number, since it is larger than the sum of its proper divisors (41333913567).

52113550725 is a wasteful number, since it uses less digits than its factorization.

52113550725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263798 (or 263790 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The spelling of 52113550725 in words is "fifty-two billion, one hundred thirteen million, five hundred fifty thousand, seven hundred twenty-five".