44561089 has 2 divisors, whose sum is σ = 44561090. Its totient is φ = 44561088.

The previous prime is 44561087. The next prime is 44561093. The reversal of 44561089 is 98016544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 14311089 = 5500^2 + 3783^2 .

It is a cyclic number.

It is not a de Polignac number, because 44561089 - 2¹ = 44561087 is a prime.

Together with 44561087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44561087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22280544 + 22280545.

It is an arithmetic number, because the mean of its divisors is an integer number (22280545).

Almost surely, 2^44561089 is an apocalyptic number.

It is an amenable number.

44561089 is a deficient number, since it is larger than the sum of its proper divisors (1).

44561089 is an equidigital number, since it uses as much as digits as its factorization.

44561089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 44561089 is about 6675.4092758422. The cubic root of 44561089 is about 354.5291357002.

It can be divided in two parts, 4456 and 1089, that multiplied together give a palindrome (4852584).

The spelling of 44561089 in words is "forty-four million, five hundred sixty-one thousand, eighty-nine".