52513505266 has 8 divisors (see below), whose sum is σ = 78771393324. Its totient is φ = 26256374160.

The previous prime is 52513505207. The next prime is 52513505311. The reversal of 52513505266 is 66250531525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50240981025 + 2272524241 = 224145^2 + 47671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 39496 + ... + 326476.

Almost surely, 2^52513505266 is an apocalyptic number.

52513505266 is a deficient number, since it is larger than the sum of its proper divisors (26257888058).

52513505266 is a wasteful number, since it uses less digits than its factorization.

52513505266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378476.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 52513505266 in words is "fifty-two billion, five hundred thirteen million, five hundred five thousand, two hundred sixty-six".