52875257209 has 4 divisors (see below), whose sum is σ = 52876354804. Its totient is φ = 52874159616.

The previous prime is 52875257207. The next prime is 52875257213. The reversal of 52875257209 is 90275257825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4723537984 + 48151719225 = 68728^2 + 219435^2 .

It is a cyclic number.

It is not a de Polignac number, because 52875257209 - 2¹ = 52875257207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52875257207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473052 + ... + 574045.

It is an arithmetic number, because the mean of its divisors is an integer number (13219088701).

Almost surely, 2^52875257209 is an apocalyptic number.

It is an amenable number.

52875257209 is a deficient number, since it is larger than the sum of its proper divisors (1097595).

52875257209 is a wasteful number, since it uses less digits than its factorization.

52875257209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097594.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 52875257209 in words is "fifty-two billion, eight hundred seventy-five million, two hundred fifty-seven thousand, two hundred nine".