52556265565 has 16 divisors (see below), whose sum is σ = 63872596656. Its totient is φ = 41510656000.

The previous prime is 52556265521. The next prime is 52556265581. The reversal of 52556265565 is 56556265525.

It can be written as a sum of positive squares in 8 ways, for example, as 2956966884 + 49599298681 = 54378^2 + 222709^2 .

It is not a de Polignac number, because 52556265565 - 2¹¹ = 52556263517 is a prime.

It is a super-2 number, since 2×52556265565² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 30855 + ... + 325675.

It is an arithmetic number, because the mean of its divisors is an integer number (3992037291).

Almost surely, 2^52556265565 is an apocalyptic number.

It is an amenable number.

52556265565 is a deficient number, since it is larger than the sum of its proper divisors (11316331091).

52556265565 is a wasteful number, since it uses less digits than its factorization.

52556265565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295280.

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

The spelling of 52556265565 in words is "fifty-two billion, five hundred fifty-six million, two hundred sixty-five thousand, five hundred sixty-five".