50404121 has 4 divisors (see below), whose sum is σ = 50504832. Its totient is φ = 50303412.

The previous prime is 50404087. The next prime is 50404153. The reversal of 50404121 is 12140405.

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 a de Polignac number, because none of the positive numbers 2^k-50404121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50404121.

It is not an unprimeable number, because it can be changed into a prime (50404421) 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, 49601 + ... + 50606.

It is an arithmetic number, because the mean of its divisors is an integer number (12626208).

Almost surely, 2^50404121 is an apocalyptic number.

It is an amenable number.

50404121 is a deficient number, since it is larger than the sum of its proper divisors (100711).

50404121 is a wasteful number, since it uses less digits than its factorization.

50404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100710.

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

The square root of 50404121 is about 7099.5859738438. The cubic root of 50404121 is about 369.3930174550.

Adding to 50404121 its reverse (12140405), we get a palindrome (62544526).

The spelling of 50404121 in words is "fifty million, four hundred four thousand, one hundred twenty-one".