43056641 has 16 divisors (see below), whose sum is σ = 47241600. Its totient is φ = 39097728.

The previous prime is 43056623. The next prime is 43056647. The reversal of 43056641 is 14665034.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43056641 - 2⁶ = 43056577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43056647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50900 + ... + 51738.

It is an arithmetic number, because the mean of its divisors is an integer number (2952600).

Almost surely, 2^43056641 is an apocalyptic number.

It is an amenable number.

43056641 is a deficient number, since it is larger than the sum of its proper divisors (4184959).

43056641 is a wasteful number, since it uses less digits than its factorization.

43056641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 43056641 is about 6561.7559387713. The cubic root of 43056641 is about 350.4935648793.

The spelling of 43056641 in words is "forty-three million, fifty-six thousand, six hundred forty-one".