52397725634 has 32 divisors (see below), whose sum is σ = 81457643520. Its totient is φ = 25252189200.

The previous prime is 52397725621. The next prime is 52397725651. The reversal of 52397725634 is 43652779325.

52397725634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20221679 + ... + 20224269.

It is an arithmetic number, because the mean of its divisors is an integer number (2545551360).

Almost surely, 2^52397725634 is an apocalyptic number.

52397725634 is a deficient number, since it is larger than the sum of its proper divisors (29059917886).

52397725634 is a wasteful number, since it uses less digits than its factorization.

52397725634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806.

The product of its digits is 9525600, while the sum is 53.

The spelling of 52397725634 in words is "fifty-two billion, three hundred ninety-seven million, seven hundred twenty-five thousand, six hundred thirty-four".