52643761 has 2 divisors, whose sum is σ = 52643762. Its totient is φ = 52643760.

The previous prime is 52643693. The next prime is 52643771. The reversal of 52643761 is 16734625.

It is a happy number.

52643761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38626225 + 14017536 = 6215^2 + 3744^2 .

It is a cyclic number.

It is not a de Polignac number, because 52643761 - 2⁹ = 52643249 is a prime.

It is not a weakly prime, because it can be changed into another prime (52643771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321880 + 26321881.

It is an arithmetic number, because the mean of its divisors is an integer number (26321881).

Almost surely, 2^52643761 is an apocalyptic number.

It is an amenable number.

52643761 is a deficient number, since it is larger than the sum of its proper divisors (1).

52643761 is an equidigital number, since it uses as much as digits as its factorization.

52643761 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 square root of 52643761 is about 7255.6020425599. The cubic root of 52643761 is about 374.7850881171.

It can be divided in two parts, 5264 and 3761, that added together give a square (9025 = 95²).

The spelling of 52643761 in words is "fifty-two million, six hundred forty-three thousand, seven hundred sixty-one".