44055559 has 2 divisors, whose sum is σ = 44055560. Its totient is φ = 44055558.

The previous prime is 44055541. The next prime is 44055563. The reversal of 44055559 is 95555044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44055559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44055569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22027779 + 22027780.

It is an arithmetic number, because the mean of its divisors is an integer number (22027780).

Almost surely, 2^44055559 is an apocalyptic number.

44055559 is a deficient number, since it is larger than the sum of its proper divisors (1).

44055559 is an equidigital number, since it uses as much as digits as its factorization.

44055559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 44055559 is about 6637.4361767176. The cubic root of 44055559 is about 353.1833639298.

The spelling of 44055559 in words is "forty-four million, fifty-five thousand, five hundred fifty-nine".