44775091 has 2 divisors, whose sum is σ = 44775092. Its totient is φ = 44775090.

The previous prime is 44775053. The next prime is 44775109. The reversal of 44775091 is 19057744.

Together with next prime (44775109) 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-44775091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44775091.

It is not a weakly prime, because it can be changed into another prime (44775691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22387545 + 22387546.

It is an arithmetic number, because the mean of its divisors is an integer number (22387546).

Almost surely, 2^44775091 is an apocalyptic number.

44775091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44775091 is an equidigital number, since it uses as much as digits as its factorization.

44775091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 44775091 is about 6691.4192067154. The cubic root of 44775091 is about 355.0957646820.

The spelling of 44775091 in words is "forty-four million, seven hundred seventy-five thousand, ninety-one".