44551081 has 2 divisors, whose sum is σ = 44551082. Its totient is φ = 44551080.

The previous prime is 44551057. The next prime is 44551093. The reversal of 44551081 is 18015544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 19501056 = 5005^2 + 4416^2 .

It is a cyclic number.

It is not a de Polignac number, because 44551081 - 2⁵ = 44551049 is a prime.

It is a super-2 number, since 2×44551081² = 3969597636537122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44551021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22275540 + 22275541.

It is an arithmetic number, because the mean of its divisors is an integer number (22275541).

Almost surely, 2^44551081 is an apocalyptic number.

It is an amenable number.

44551081 is a deficient number, since it is larger than the sum of its proper divisors (1).

44551081 is an equidigital number, since it uses as much as digits as its factorization.

44551081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 44551081 is about 6674.6596167895. The cubic root of 44551081 is about 354.5025924138.

The spelling of 44551081 in words is "forty-four million, five hundred fifty-one thousand, eighty-one".