52216771 has 4 divisors (see below), whose sum is σ = 52236792. Its totient is φ = 52196752.

The previous prime is 52216757. The next prime is 52216799. The reversal of 52216771 is 17761225.

52216771 is nontrivially palindromic in base 8.

52216771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52216771 - 2⁹ = 52216259 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (52216271) 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 in 3 ways as a sum of consecutive naturals, for example, 5386 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (13059198).

Almost surely, 2^52216771 is an apocalyptic number.

52216771 is a deficient number, since it is larger than the sum of its proper divisors (20021).

52216771 is a wasteful number, since it uses less digits than its factorization.

52216771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020.

The product of its digits is 5880, while the sum is 31.

The square root of 52216771 is about 7226.1172838531. The cubic root of 52216771 is about 373.7690506055.

Adding to 52216771 its reverse (17761225), we get a palindrome (69977996).

The spelling of 52216771 in words is "fifty-two million, two hundred sixteen thousand, seven hundred seventy-one".