50442445 has 4 divisors (see below), whose sum is σ = 60530940. Its totient is φ = 40353952.

The previous prime is 50442443. The next prime is 50442449. The reversal of 50442445 is 54424405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13439556 + 37002889 = 3666^2 + 6083^2 .

It is a cyclic number.

It is not a de Polignac number, because 50442445 - 2¹ = 50442443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044240 + ... + 5044249.

It is an arithmetic number, because the mean of its divisors is an integer number (15132735).

Almost surely, 2^50442445 is an apocalyptic number.

It is an amenable number.

50442445 is a deficient number, since it is larger than the sum of its proper divisors (10088495).

50442445 is a wasteful number, since it uses less digits than its factorization.

50442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088494.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 50442445 is about 7102.2844916266. The cubic root of 50442445 is about 369.4866145082.

The spelling of 50442445 in words is "fifty million, four hundred forty-two thousand, four hundred forty-five".