43112052 has 72 divisors (see below), whose sum is σ = 112275072. Its totient is φ = 13944000.

The previous prime is 43111987. The next prime is 43112053. The reversal of 43112052 is 25021134.

43112052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43112053) 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 23 ways as a sum of consecutive naturals, for example, 258073 + ... + 258239.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^43112052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43112052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56137536).

43112052 is an abundant number, since it is smaller than the sum of its proper divisors (69163020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43112052 is a wasteful number, since it uses less digits than its factorization.

43112052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 43112052 is about 6565.9768504009. The cubic root of 43112052 is about 350.6438543056.

Adding to 43112052 its reverse (25021134), we get a palindrome (68133186).

The spelling of 43112052 in words is "forty-three million, one hundred twelve thousand, fifty-two".