52152856873540 has 24 divisors (see below), whose sum is σ = 110605365769752. Its totient is φ = 20654596780800.

The previous prime is 52152856873501. The next prime is 52152856873597. The reversal of 52152856873540 is 4537865825125.

It can be written as a sum of positive squares in 4 ways, for example, as 22402879316224 + 29749977557316 = 4733168^2 + 5454354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12909120969 + ... + 12909125008.

It is an arithmetic number, because the mean of its divisors is an integer number (4608556907073).

Almost surely, 2^{52152856873540} is an apocalyptic number.

It is an amenable number.

52152856873540 is an abundant number, since it is smaller than the sum of its proper divisors (58452508896212).

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

52152856873540 is a wasteful number, since it uses less digits than its factorization.

52152856873540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25818246087 (or 25818246085 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 61.

The spelling of 52152856873540 in words is "fifty-two trillion, one hundred fifty-two billion, eight hundred fifty-six million, eight hundred seventy-three thousand, five hundred forty".