50481421 has 4 divisors (see below), whose sum is σ = 50524252. Its totient is φ = 50438592.

The previous prime is 50481407. The next prime is 50481427. The reversal of 50481421 is 12418405.

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 30096196 + 20385225 = 5486^2 + 4515^2 .

It is a cyclic number.

It is not a de Polignac number, because 50481421 - 2⁷ = 50481293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50481427) 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, 19596 + ... + 22021.

It is an arithmetic number, because the mean of its divisors is an integer number (12631063).

Almost surely, 2^50481421 is an apocalyptic number.

It is an amenable number.

50481421 is a deficient number, since it is larger than the sum of its proper divisors (42831).

50481421 is a wasteful number, since it uses less digits than its factorization.

50481421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42830.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 50481421 is about 7105.0278676442. The cubic root of 50481421 is about 369.5817553016.

Adding to 50481421 its reverse (12418405), we get a palindrome (62899826).

The spelling of 50481421 in words is "fifty million, four hundred eighty-one thousand, four hundred twenty-one".