4555091 has 2 divisors, whose sum is σ = 4555092. Its totient is φ = 4555090.

The previous prime is 4555087. The next prime is 4555121. The reversal of 4555091 is 1905554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4555091 - 2² = 4555087 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 (4555021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277545 + 2277546.

It is an arithmetic number, because the mean of its divisors is an integer number (2277546).

Almost surely, 2^4555091 is an apocalyptic number.

4555091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555091 is an equidigital number, since it uses as much as digits as its factorization.

4555091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 4555091 is about 2134.2659159533. The cubic root of 4555091 is about 165.7673593167.

The spelling of 4555091 in words is "four million, five hundred fifty-five thousand, ninety-one".