52662305021 has 2 divisors, whose sum is σ = 52662305022. Its totient is φ = 52662305020.

The previous prime is 52662304987. The next prime is 52662305057. The reversal of 52662305021 is 12050326625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37841920900 + 14820384121 = 194530^2 + 121739^2 .

It is a cyclic number.

It is not a de Polignac number, because 52662305021 - 2⁶ = 52662304957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52662307021) 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 as a sum of consecutive naturals, namely, 26331152510 + 26331152511.

It is an arithmetic number, because the mean of its divisors is an integer number (26331152511).

Almost surely, 2^52662305021 is an apocalyptic number.

It is an amenable number.

52662305021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52662305021 is an equidigital number, since it uses as much as digits as its factorization.

52662305021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 52662305021 in words is "fifty-two billion, six hundred sixty-two million, three hundred five thousand, twenty-one".