49644443 has 2 divisors, whose sum is σ = 49644444. Its totient is φ = 49644442.

The previous prime is 49644431. The next prime is 49644479. The reversal of 49644443 is 34444694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49644443 - 2²⁰ = 48595867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49644397 and 49644406.

It is not a weakly prime, because it can be changed into another prime (49644493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24822221 + 24822222.

It is an arithmetic number, because the mean of its divisors is an integer number (24822222).

Almost surely, 2^49644443 is an apocalyptic number.

49644443 is a deficient number, since it is larger than the sum of its proper divisors (1).

49644443 is an equidigital number, since it uses as much as digits as its factorization.

49644443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 49644443 is about 7045.8812791588. The cubic root of 49644443 is about 367.5278162418.

The spelling of 49644443 in words is "forty-nine million, six hundred forty-four thousand, four hundred forty-three".