49999443 has 16 divisors (see below), whose sum is σ = 72974496. Its totient is φ = 30263040.

The previous prime is 49999441. The next prime is 49999463. The reversal of 49999443 is 34499994.

It is not a de Polignac number, because 49999443 - 2¹ = 49999441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49999441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8130 + ... + 12887.

It is an arithmetic number, because the mean of its divisors is an integer number (4560906).

Almost surely, 2^49999443 is an apocalyptic number.

49999443 is a deficient number, since it is larger than the sum of its proper divisors (22975053).

49999443 is a wasteful number, since it uses less digits than its factorization.

49999443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094.

The product of its digits is 1259712, while the sum is 51.

The square root of 49999443 is about 7071.0284259081. The cubic root of 49999443 is about 368.4017818553.

The spelling of 49999443 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred forty-three".