50650405 has 16 divisors (see below), whose sum is σ = 65640960. Its totient is φ = 37297728.

The previous prime is 50650403. The next prime is 50650423. The reversal of 50650405 is 50405605.

It is not a de Polignac number, because 50650405 - 2¹ = 50650403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50650405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50650403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27916 + ... + 29674.

It is an arithmetic number, because the mean of its divisors is an integer number (4102560).

Almost surely, 2^50650405 is an apocalyptic number.

It is an amenable number.

50650405 is a deficient number, since it is larger than the sum of its proper divisors (14990555).

50650405 is a wasteful number, since it uses less digits than its factorization.

50650405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50650405 is about 7116.9097928806. The cubic root of 50650405 is about 369.9936814115.

The spelling of 50650405 in words is "fifty million, six hundred fifty thousand, four hundred five".