52565656525 has 12 divisors (see below), whose sum is σ = 65205648000. Its totient is φ = 42036890480.

The previous prime is 52565656499. The next prime is 52565656537.

52565656525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52565656525 - 2⁷ = 52565656397 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322045 + ... + 456994.

It is an arithmetic number, because the mean of its divisors is an integer number (5433804000).

Almost surely, 2^52565656525 is an apocalyptic number.

It is an amenable number.

52565656525 is a deficient number, since it is larger than the sum of its proper divisors (12639991475).

52565656525 is a wasteful number, since it uses less digits than its factorization.

52565656525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781748 (or 781743 counting only the distinct ones).

The product of its digits is 13500000, while the sum is 52.

The spelling of 52565656525 in words is "fifty-two billion, five hundred sixty-five million, six hundred fifty-six thousand, five hundred twenty-five".