44255993 has 2 divisors, whose sum is σ = 44255994. Its totient is φ = 44255992.

The previous prime is 44255989. The next prime is 44256011. The reversal of 44255993 is 39955244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44249104 + 6889 = 6652^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 44255993 - 2² = 44255989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44255993.

It is not a weakly prime, because it can be changed into another prime (44255903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22127996 + 22127997.

It is an arithmetic number, because the mean of its divisors is an integer number (22127997).

Almost surely, 2^44255993 is an apocalyptic number.

It is an amenable number.

44255993 is a deficient number, since it is larger than the sum of its proper divisors (1).

44255993 is an equidigital number, since it uses as much as digits as its factorization.

44255993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 44255993 is about 6652.5177940386. The cubic root of 44255993 is about 353.7181649235.

The spelling of 44255993 in words is "forty-four million, two hundred fifty-five thousand, nine hundred ninety-three".