52233621217 has 2 divisors, whose sum is σ = 52233621218. Its totient is φ = 52233621216.

The previous prime is 52233621197. The next prime is 52233621239. The reversal of 52233621217 is 71212633225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35961812496 + 16271808721 = 189636^2 + 127561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52233621217 is a prime.

It is a super-2 number, since 2×52233621217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52233621317) 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 as a sum of consecutive naturals, namely, 26116810608 + 26116810609.

It is an arithmetic number, because the mean of its divisors is an integer number (26116810609).

Almost surely, 2^52233621217 is an apocalyptic number.

It is an amenable number.

52233621217 is a deficient number, since it is larger than the sum of its proper divisors (1).

52233621217 is an equidigital number, since it uses as much as digits as its factorization.

52233621217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The spelling of 52233621217 in words is "fifty-two billion, two hundred thirty-three million, six hundred twenty-one thousand, two hundred seventeen".