52666247741 has 4 divisors (see below), whose sum is σ = 55764262332. Its totient is φ = 49568233152.

The previous prime is 52666247701. The next prime is 52666247743. The reversal of 52666247741 is 14774266625.

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 48538699225 + 4127548516 = 220315^2 + 64246^2 .

It is a cyclic number.

It is not a de Polignac number, because 52666247741 - 2¹⁴ = 52666231357 is a prime.

It is a super-2 number, since 2×52666247741² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52666247741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666247743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1549007270 + ... + 1549007303.

It is an arithmetic number, because the mean of its divisors is an integer number (13941065583).

Almost surely, 2^52666247741 is an apocalyptic number.

It is an amenable number.

52666247741 is a deficient number, since it is larger than the sum of its proper divisors (3098014591).

52666247741 is a wasteful number, since it uses less digits than its factorization.

52666247741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098014590.

The product of its digits is 3386880, while the sum is 50.

The spelling of 52666247741 in words is "fifty-two billion, six hundred sixty-six million, two hundred forty-seven thousand, seven hundred forty-one".