43552043 has 2 divisors, whose sum is σ = 43552044. Its totient is φ = 43552042.

The previous prime is 43552021. The next prime is 43552057. The reversal of 43552043 is 34025534.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43552043 - 2⁶ = 43551979 is a prime.

It is not a weakly prime, because it can be changed into another prime (43552013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21776021 + 21776022.

It is an arithmetic number, because the mean of its divisors is an integer number (21776022).

Almost surely, 2^43552043 is an apocalyptic number.

43552043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43552043 is an equidigital number, since it uses as much as digits as its factorization.

43552043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 43552043 is about 6599.3971694390. The cubic root of 43552043 is about 351.8326807884.

Adding to 43552043 its reverse (34025534), we get a palindrome (77577577).

The spelling of 43552043 in words is "forty-three million, five hundred fifty-two thousand, forty-three".