43405053 has 16 divisors (see below), whose sum is σ = 60344832. Its totient is φ = 27720000.

The previous prime is 43405051. The next prime is 43405057. The reversal of 43405053 is 35050434.

It is a happy number.

It is not a de Polignac number, because 43405053 - 2¹ = 43405051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43405051) 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, 7083 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (3771552).

Almost surely, 2^43405053 is an apocalyptic number.

It is an amenable number.

43405053 is a deficient number, since it is larger than the sum of its proper divisors (16939779).

43405053 is a wasteful number, since it uses less digits than its factorization.

43405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 43405053 is about 6588.2511336469. The cubic root of 43405053 is about 351.4364178913.

Adding to 43405053 its reverse (35050434), we get a palindrome (78455487).

The spelling of 43405053 in words is "forty-three million, four hundred five thousand, fifty-three".