50440121 has 4 divisors (see below), whose sum is σ = 50911632. Its totient is φ = 49968612.

The previous prime is 50440111. The next prime is 50440129. The reversal of 50440121 is 12104405.

50440121 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50440121 - 2⁶ = 50440057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50440121.

It is not an unprimeable number, because it can be changed into a prime (50440129) 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, 235595 + ... + 235808.

It is an arithmetic number, because the mean of its divisors is an integer number (12727908).

Almost surely, 2^50440121 is an apocalyptic number.

It is an amenable number.

50440121 is a deficient number, since it is larger than the sum of its proper divisors (471511).

50440121 is a wasteful number, since it uses less digits than its factorization.

50440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471510.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50440121 is about 7102.1208804131. The cubic root of 50440121 is about 369.4809400537.

Adding to 50440121 its reverse (12104405), we get a palindrome (62544526).

The spelling of 50440121 in words is "fifty million, four hundred forty thousand, one hundred twenty-one".