50511445 has 4 divisors (see below), whose sum is σ = 60613740. Its totient is φ = 40409152.

The previous prime is 50511421. The next prime is 50511449. The reversal of 50511445 is 54411505.

It is a happy number.

50511445 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.

It can be written as a sum of positive squares in 2 ways, for example, as 25341156 + 25170289 = 5034^2 + 5017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50511445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511449) 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 in 3 ways as a sum of consecutive naturals, for example, 5051140 + ... + 5051149.

It is an arithmetic number, because the mean of its divisors is an integer number (15153435).

Almost surely, 2^50511445 is an apocalyptic number.

It is an amenable number.

50511445 is a deficient number, since it is larger than the sum of its proper divisors (10102295).

50511445 is a wasteful number, since it uses less digits than its factorization.

50511445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102294.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 50511445 is about 7107.1404235459. The cubic root of 50511445 is about 369.6550107903.

The spelling of 50511445 in words is "fifty million, five hundred eleven thousand, four hundred forty-five".