52556265593 has 4 divisors (see below), whose sum is σ = 56599055268. Its totient is φ = 48513475920.

The previous prime is 52556265581. The next prime is 52556265611. The reversal of 52556265593 is 39556265525.

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 6119463529 + 46436802064 = 78227^2 + 215492^2 .

It is not a de Polignac number, because 52556265593 - 2¹⁰ = 52556264569 is a prime.

It is a super-2 number, since 2×52556265593² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52556225593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2021394818 + ... + 2021394843.

It is an arithmetic number, because the mean of its divisors is an integer number (14149763817).

Almost surely, 2^52556265593 is an apocalyptic number.

It is an amenable number.

52556265593 is a deficient number, since it is larger than the sum of its proper divisors (4042789675).

52556265593 is a wasteful number, since it uses less digits than its factorization.

52556265593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042789674.

The product of its digits is 12150000, while the sum is 53.

The spelling of 52556265593 in words is "fifty-two billion, five hundred fifty-six million, two hundred sixty-five thousand, five hundred ninety-three".