50049421 has 4 divisors (see below), whose sum is σ = 50508700. Its totient is φ = 49590144.

The previous prime is 50049409. The next prime is 50049443. The reversal of 50049421 is 12494005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12494005 = 5 ⋅2498801.

It can be written as a sum of positive squares in 2 ways, for example, as 38564100 + 11485321 = 6210^2 + 3389^2 .

It is a cyclic number.

It is not a de Polignac number, because 50049421 - 2⁹ = 50048909 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 (50049481) 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, 229476 + ... + 229693.

It is an arithmetic number, because the mean of its divisors is an integer number (12627175).

Almost surely, 2^50049421 is an apocalyptic number.

50049421 is the 4085-th hex number.

It is an amenable number.

50049421 is a deficient number, since it is larger than the sum of its proper divisors (459279).

50049421 is a wasteful number, since it uses less digits than its factorization.

50049421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459278.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50049421 is about 7074.5615411840. The cubic root of 50049421 is about 368.5244889086.

The spelling of 50049421 in words is "fifty million, forty-nine thousand, four hundred twenty-one".