43996057 has 4 divisors (see below), whose sum is σ = 50281216. Its totient is φ = 37710900.

The previous prime is 43996031. The next prime is 43996061. The reversal of 43996057 is 75069934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43996057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43996027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142569 + ... + 3142582.

It is an arithmetic number, because the mean of its divisors is an integer number (12570304).

Almost surely, 2^43996057 is an apocalyptic number.

It is an amenable number.

43996057 is a deficient number, since it is larger than the sum of its proper divisors (6285159).

43996057 is an equidigital number, since it uses as much as digits as its factorization.

43996057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285158.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 43996057 is about 6632.9523592440. The cubic root of 43996057 is about 353.0242876392.

The spelling of 43996057 in words is "forty-three million, nine hundred ninety-six thousand, fifty-seven".