50421445 has 4 divisors (see below), whose sum is σ = 60505740. Its totient is φ = 40337152.

The previous prime is 50421419. The next prime is 50421463. The reversal of 50421445 is 54412405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54412405 = 5 ⋅10882481.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 43441281 = 2642^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 50421445 - 2⁹ = 50420933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042140 + ... + 5042149.

It is an arithmetic number, because the mean of its divisors is an integer number (15126435).

Almost surely, 2^50421445 is an apocalyptic number.

It is an amenable number.

50421445 is a deficient number, since it is larger than the sum of its proper divisors (10084295).

50421445 is a wasteful number, since it uses less digits than its factorization.

50421445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084294.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 50421445 is about 7100.8059401733. The cubic root of 50421445 is about 369.4353329872.

The spelling of 50421445 in words is "fifty million, four hundred twenty-one thousand, four hundred forty-five".