52248923021 has 2 divisors, whose sum is σ = 52248923022. Its totient is φ = 52248923020.

The previous prime is 52248922993. The next prime is 52248923047. The reversal of 52248923021 is 12032984225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51808132996 + 440790025 = 227614^2 + 20995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52248923021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52248923081) 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, 26124461510 + 26124461511.

It is an arithmetic number, because the mean of its divisors is an integer number (26124461511).

Almost surely, 2^52248923021 is an apocalyptic number.

It is an amenable number.

52248923021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52248923021 is an equidigital number, since it uses as much as digits as its factorization.

52248923021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 52248923021 in words is "fifty-two billion, two hundred forty-eight million, nine hundred twenty-three thousand, twenty-one".