43312052 has 48 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 17832960.

The previous prime is 43311979. The next prime is 43312057. The reversal of 43312052 is 25021334.

It is a happy number.

43312052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43312057) 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 15 ways as a sum of consecutive naturals, for example, 100277 + ... + 100707.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^43312052 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 43312052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45045504).

43312052 is an abundant number, since it is smaller than the sum of its proper divisors (46778956).

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

43312052 is a wasteful number, since it uses less digits than its factorization.

43312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43312052 is about 6581.1892542306. The cubic root of 43312052 is about 351.1852389228.

Adding to 43312052 its reverse (25021334), we get a palindrome (68333386).

The spelling of 43312052 in words is "forty-three million, three hundred twelve thousand, fifty-two".