9055591 has 2 divisors, whose sum is σ = 9055592. Its totient is φ = 9055590.

The previous prime is 9055589. The next prime is 9055601. The reversal of 9055591 is 1955509.

9055591 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1955509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9055591 - 2¹ = 9055589 is a prime.

Together with 9055589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9055561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4527795 + 4527796.

It is an arithmetic number, because the mean of its divisors is an integer number (4527796).

Almost surely, 2^9055591 is an apocalyptic number.

9055591 is a deficient number, since it is larger than the sum of its proper divisors (1).

9055591 is an equidigital number, since it uses as much as digits as its factorization.

9055591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 9055591 is about 3009.2509034642. The cubic root of 9055591 is about 208.4357773857.

The spelling of 9055591 in words is "nine million, fifty-five thousand, five hundred ninety-one".