43552979 has 2 divisors, whose sum is σ = 43552980. Its totient is φ = 43552978.

The previous prime is 43552969. The next prime is 43553017. The reversal of 43552979 is 97925534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43552979 - 2⁸ = 43552723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43552919) 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 as a sum of consecutive naturals, namely, 21776489 + 21776490.

It is an arithmetic number, because the mean of its divisors is an integer number (21776490).

Almost surely, 2^43552979 is an apocalyptic number.

43552979 is a deficient number, since it is larger than the sum of its proper divisors (1).

43552979 is an equidigital number, since it uses as much as digits as its factorization.

43552979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 43552979 is about 6599.4680846262. The cubic root of 43552979 is about 351.8352012444.

The spelling of 43552979 in words is "forty-three million, five hundred fifty-two thousand, nine hundred seventy-nine".