44554091 has 2 divisors, whose sum is σ = 44554092. Its totient is φ = 44554090.

The previous prime is 44554021. The next prime is 44554109. The reversal of 44554091 is 19045544.

Together with next prime (44554109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44554091 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2692805 and since 44554091 and 2692805 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (44554021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22277045 + 22277046.

It is an arithmetic number, because the mean of its divisors is an integer number (22277046).

Almost surely, 2^44554091 is an apocalyptic number.

44554091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44554091 is an equidigital number, since it uses as much as digits as its factorization.

44554091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 44554091 is about 6674.8850926439. The cubic root of 44554091 is about 354.5105759744.

The spelling of 44554091 in words is "forty-four million, five hundred fifty-four thousand, ninety-one".