50443994 has 4 divisors (see below), whose sum is σ = 75665994. Its totient is φ = 25221996.

The previous prime is 50443979. The next prime is 50443999. The reversal of 50443994 is 49934405.

50443994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49934405 = 5 ⋅9986881.

It can be written as a sum of positive squares in only one way, i.e., 30525625 + 19918369 = 5525^2 + 4463^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50443999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12610997 + ... + 12611000.

Almost surely, 2^50443994 is an apocalyptic number.

50443994 is a deficient number, since it is larger than the sum of its proper divisors (25222000).

50443994 is a wasteful number, since it uses less digits than its factorization.

50443994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25221999.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 50443994 is about 7102.3935402088. The cubic root of 50443994 is about 369.4903965672.

The spelling of 50443994 in words is "fifty million, four hundred forty-three thousand, nine hundred ninety-four".