44497091 has 2 divisors, whose sum is σ = 44497092. Its totient is φ = 44497090.

The previous prime is 44497087. The next prime is 44497129. The reversal of 44497091 is 19079444.

It is an a-pointer prime, because the next prime (44497129) can be obtained adding 44497091 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44497091 - 2² = 44497087 is a prime.

It is a super-2 number, since 2×44497091² = 3959982214924562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44497001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22248545 + 22248546.

It is an arithmetic number, because the mean of its divisors is an integer number (22248546).

Almost surely, 2^44497091 is an apocalyptic number.

44497091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44497091 is an equidigital number, since it uses as much as digits as its factorization.

44497091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 44497091 is about 6670.6139897314. The cubic root of 44497091 is about 354.3593311558.

The spelling of 44497091 in words is "forty-four million, four hundred ninety-seven thousand, ninety-one".