52220660399 has 2 divisors, whose sum is σ = 52220660400. Its totient is φ = 52220660398.

The previous prime is 52220660249. The next prime is 52220660411. The reversal of 52220660399 is 99306602225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52220660399 - 2¹² = 52220656303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52220669399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110330199 + 26110330200.

It is an arithmetic number, because the mean of its divisors is an integer number (26110330200).

Almost surely, 2^52220660399 is an apocalyptic number.

52220660399 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220660399 is an equidigital number, since it uses as much as digits as its factorization.

52220660399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 52220660399 in words is "fifty-two billion, two hundred twenty million, six hundred sixty thousand, three hundred ninety-nine".