50807421 has 12 divisors (see below), whose sum is σ = 83872672. Its totient is φ = 29032776.

The previous prime is 50807417. The next prime is 50807429. The reversal of 50807421 is 12470805.

50807421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50807421 - 2² = 50807417 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 (50807429) 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 11 ways as a sum of consecutive naturals, for example, 403171 + ... + 403296.

Almost surely, 2^50807421 is an apocalyptic number.

It is an amenable number.

50807421 is a deficient number, since it is larger than the sum of its proper divisors (33065251).

50807421 is a wasteful number, since it uses less digits than its factorization.

50807421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806480 (or 806477 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50807421 is about 7127.9324491749. The cubic root of 50807421 is about 370.3756132027.

The spelling of 50807421 in words is "fifty million, eight hundred seven thousand, four hundred twenty-one".