52525643465 has 8 divisors (see below), whose sum is σ = 65204247240. Its totient is φ = 40571531392.

The previous prime is 52525643459. The next prime is 52525643473. The reversal of 52525643465 is 56434652525.

It can be written as a sum of positive squares in 4 ways, for example, as 481890304 + 52043753161 = 21952^2 + 228131^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52525643465 - 2¹⁴ = 52525627081 is a prime.

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, 181122764 + ... + 181123053.

It is an arithmetic number, because the mean of its divisors is an integer number (8150530905).

Almost surely, 2^52525643465 is an apocalyptic number.

It is an amenable number.

52525643465 is a deficient number, since it is larger than the sum of its proper divisors (12678603775).

52525643465 is a wasteful number, since it uses less digits than its factorization.

52525643465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362245851.

The product of its digits is 4320000, while the sum is 47.

The spelling of 52525643465 in words is "fifty-two billion, five hundred twenty-five million, six hundred forty-three thousand, four hundred sixty-five".