52216811 has 2 divisors, whose sum is σ = 52216812. Its totient is φ = 52216810.

The previous prime is 52216799. The next prime is 52216837. The reversal of 52216811 is 11861225.

It is an a-pointer prime, because the next prime (52216837) can be obtained adding 52216811 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52216811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52216841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26108405 + 26108406.

It is an arithmetic number, because the mean of its divisors is an integer number (26108406).

Almost surely, 2^52216811 is an apocalyptic number.

52216811 is a deficient number, since it is larger than the sum of its proper divisors (1).

52216811 is an equidigital number, since it uses as much as digits as its factorization.

52216811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 26.

The square root of 52216811 is about 7226.1200515906. The cubic root of 52216811 is about 373.7691460459.

The spelling of 52216811 in words is "fifty-two million, two hundred sixteen thousand, eight hundred eleven".