52443111 has 16 divisors (see below), whose sum is σ = 81108224. Its totient is φ = 29519424.

The previous prime is 52443109. The next prime is 52443119. The reversal of 52443111 is 11134425.

It is not a de Polignac number, because 52443111 - 2¹ = 52443109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52443119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17230 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (5069264).

Almost surely, 2^52443111 is an apocalyptic number.

52443111 is a deficient number, since it is larger than the sum of its proper divisors (28665113).

52443111 is a wasteful number, since it uses less digits than its factorization.

52443111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37350.

The product of its digits is 480, while the sum is 21.

The square root of 52443111 is about 7241.7615950817. The cubic root of 52443111 is about 374.3083214442.

Adding to 52443111 its reverse (11134425), we get a palindrome (63577536).

The spelling of 52443111 in words is "fifty-two million, four hundred forty-three thousand, one hundred eleven".