44550749 has 2 divisors, whose sum is σ = 44550750. Its totient is φ = 44550748.

The previous prime is 44550731. The next prime is 44550799. The reversal of 44550749 is 94705544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 6666724 = 6155^2 + 2582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44550749 is a prime.

It is a super-2 number, since 2×44550749² = 3969538472922002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44550799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22275374 + 22275375.

It is an arithmetic number, because the mean of its divisors is an integer number (22275375).

Almost surely, 2^44550749 is an apocalyptic number.

It is an amenable number.

44550749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44550749 is an equidigital number, since it uses as much as digits as its factorization.

44550749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 44550749 is about 6674.6347465610. The cubic root of 44550749 is about 354.5017118129.

The spelling of 44550749 in words is "forty-four million, five hundred fifty thousand, seven hundred forty-nine".