44105557 has 2 divisors, whose sum is σ = 44105558. Its totient is φ = 44105556.

The previous prime is 44105533. The next prime is 44105597. The reversal of 44105557 is 75550144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 13734436 = 5511^2 + 3706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44105557 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44105597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22052778 + 22052779.

It is an arithmetic number, because the mean of its divisors is an integer number (22052779).

Almost surely, 2^44105557 is an apocalyptic number.

It is an amenable number.

44105557 is a deficient number, since it is larger than the sum of its proper divisors (1).

44105557 is an equidigital number, since it uses as much as digits as its factorization.

44105557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 44105557 is about 6641.2014726253. The cubic root of 44105557 is about 353.3169209377.

The spelling of 44105557 in words is "forty-four million, one hundred five thousand, five hundred fifty-seven".