52443948961 has 2 divisors, whose sum is σ = 52443948962. Its totient is φ = 52443948960.

The previous prime is 52443948929. The next prime is 52443948967. The reversal of 52443948961 is 16984934425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29599137936 + 22844811025 = 172044^2 + 151145^2 .

It is a cyclic number.

It is not a de Polignac number, because 52443948961 - 2⁵ = 52443948929 is a prime.

It is not a weakly prime, because it can be changed into another prime (52443948967) 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, 26221974480 + 26221974481.

It is an arithmetic number, because the mean of its divisors is an integer number (26221974481).

Almost surely, 2^52443948961 is an apocalyptic number.

It is an amenable number.

52443948961 is a deficient number, since it is larger than the sum of its proper divisors (1).

52443948961 is an equidigital number, since it uses as much as digits as its factorization.

52443948961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 55.

The spelling of 52443948961 in words is "fifty-two billion, four hundred forty-three million, nine hundred forty-eight thousand, nine hundred sixty-one".