43213055 has 8 divisors (see below), whose sum is σ = 51896832. Its totient is φ = 34543008.

The previous prime is 43213033. The next prime is 43213061. The reversal of 43213055 is 55031234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43213055 - 2⁶ = 43212991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43213055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5717 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (6487104).

Almost surely, 2^43213055 is an apocalyptic number.

43213055 is a deficient number, since it is larger than the sum of its proper divisors (8683777).

43213055 is a wasteful number, since it uses less digits than its factorization.

43213055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 43213055 is about 6573.6637425411. The cubic root of 43213055 is about 350.9174704438.

Adding to 43213055 its reverse (55031234), we get a palindrome (98244289).

The spelling of 43213055 in words is "forty-three million, two hundred thirteen thousand, fifty-five".