50043121 has 4 divisors (see below), whose sum is σ = 52986852. Its totient is φ = 47099392.

The previous prime is 50043113. The next prime is 50043167. The reversal of 50043121 is 12134005.

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 45360225 + 4682896 = 6735^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 50043121 - 2³ = 50043113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50043095 and 50043104.

It is not an unprimeable number, because it can be changed into a prime (50043181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471840 + ... + 1471873.

It is an arithmetic number, because the mean of its divisors is an integer number (13246713).

Almost surely, 2^50043121 is an apocalyptic number.

It is an amenable number.

50043121 is a deficient number, since it is larger than the sum of its proper divisors (2943731).

50043121 is a wasteful number, since it uses less digits than its factorization.

50043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943730.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50043121 is about 7074.1162698955. The cubic root of 50043121 is about 368.5090255149.

Adding to 50043121 its reverse (12134005), we get a palindrome (62177126).

The spelling of 50043121 in words is "fifty million, forty-three thousand, one hundred twenty-one".