43406053 has 4 divisors (see below), whose sum is σ = 43486828. Its totient is φ = 43325280.

The previous prime is 43406047. The next prime is 43406057. The reversal of 43406053 is 35060434.

43406053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33907329 + 9498724 = 5823^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 43406053 - 2⁵ = 43406021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43406057) 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 3 ways as a sum of consecutive naturals, for example, 39576 + ... + 40657.

It is an arithmetic number, because the mean of its divisors is an integer number (10871707).

Almost surely, 2^43406053 is an apocalyptic number.

It is an amenable number.

43406053 is a deficient number, since it is larger than the sum of its proper divisors (80775).

43406053 is an equidigital number, since it uses as much as digits as its factorization.

43406053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80774.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 43406053 is about 6588.3270258845. The cubic root of 43406053 is about 351.4391167608.

Adding to 43406053 its reverse (35060434), we get a palindrome (78466487).

The spelling of 43406053 in words is "forty-three million, four hundred six thousand, fifty-three".