52207211 has 4 divisors (see below), whose sum is σ = 59665392. Its totient is φ = 44749032.

The previous prime is 52207159. The next prime is 52207213. The reversal of 52207211 is 11270225.

52207211 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52207211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52207213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3729080 + ... + 3729093.

It is an arithmetic number, because the mean of its divisors is an integer number (14916348).

Almost surely, 2^52207211 is an apocalyptic number.

52207211 is a deficient number, since it is larger than the sum of its proper divisors (7458181).

52207211 is an equidigital number, since it uses as much as digits as its factorization.

52207211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458180.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 52207211 is about 7225.4557641716. The cubic root of 52207211 is about 373.7462389677.

Adding to 52207211 its reverse (11270225), we get a palindrome (63477436).

The spelling of 52207211 in words is "fifty-two million, two hundred seven thousand, two hundred eleven".