52643771 has 2 divisors, whose sum is σ = 52643772. Its totient is φ = 52643770.

The previous prime is 52643761. The next prime is 52643777. The reversal of 52643771 is 17734625.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52643771 is a prime.

It is not a weakly prime, because it can be changed into another prime (52643777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321885 + 26321886.

It is an arithmetic number, because the mean of its divisors is an integer number (26321886).

Almost surely, 2^52643771 is an apocalyptic number.

52643771 is a deficient number, since it is larger than the sum of its proper divisors (1).

52643771 is an equidigital number, since it uses as much as digits as its factorization.

52643771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 52643771 is about 7255.6027316826. The cubic root of 52643771 is about 374.7851118480.

The spelling of 52643771 in words is "fifty-two million, six hundred forty-three thousand, seven hundred seventy-one".