50421207 has 4 divisors (see below), whose sum is σ = 67228280. Its totient is φ = 33614136.

The previous prime is 50421199. The next prime is 50421209. The reversal of 50421207 is 70212405.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50421207 - 2³ = 50421199 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 (50421209) 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, 8403532 + ... + 8403537.

It is an arithmetic number, because the mean of its divisors is an integer number (16807070).

Almost surely, 2^50421207 is an apocalyptic number.

50421207 is a deficient number, since it is larger than the sum of its proper divisors (16807073).

50421207 is a wasteful number, since it uses less digits than its factorization.

50421207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807072.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 50421207 is about 7100.7891814924. The cubic root of 50421207 is about 369.4347517150.

The spelling of 50421207 in words is "fifty million, four hundred twenty-one thousand, two hundred seven".