52332261561 has 12 divisors (see below), whose sum is σ = 75600895188. Its totient is φ = 34883627904.

The previous prime is 52332261551. The next prime is 52332261647. The reversal of 52332261561 is 16516223325.

52332261561 is a `hidden beast` number, since 5 + 2 + 3 + 32 + 2 + 61 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33683627961 + 18648633600 = 183531^2 + 136560^2 .

It is not a de Polignac number, because 52332261561 - 2³⁰ = 51258519737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52332261511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305220 + ... + 444773.

It is an arithmetic number, because the mean of its divisors is an integer number (6300074599).

Almost surely, 2^52332261561 is an apocalyptic number.

It is an amenable number.

52332261561 is a deficient number, since it is larger than the sum of its proper divisors (23268633627).

52332261561 is a wasteful number, since it uses less digits than its factorization.

52332261561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757752 (or 757749 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 52332261561 its reverse (16516223325), we get a palindrome (68848484886).

The spelling of 52332261561 in words is "fifty-two billion, three hundred thirty-two million, two hundred sixty-one thousand, five hundred sixty-one".