52320111 has 16 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 34383008.

The previous prime is 52320083. The next prime is 52320137. The reversal of 52320111 is 11102325.

It is a cyclic number.

It is not a de Polignac number, because 52320111 - 2¹⁰ = 52319087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124660 + ... + 125078.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^52320111 is an apocalyptic number.

52320111 is a deficient number, since it is larger than the sum of its proper divisors (18441489).

52320111 is a wasteful number, since it uses less digits than its factorization.

52320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 52320111 is about 7233.2642008985. The cubic root of 52320111 is about 374.0154582914.

Adding to 52320111 its reverse (11102325), we get a palindrome (63422436).

The spelling of 52320111 in words is "fifty-two million, three hundred twenty thousand, one hundred eleven".