50663405 has 16 divisors (see below), whose sum is σ = 68920320. Its totient is φ = 35443008.

The previous prime is 50663381. The next prime is 50663407. The reversal of 50663405 is 50436605.

It is a cyclic number.

It is not a de Polignac number, because 50663405 - 2⁶ = 50663341 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50663407) 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, 19277 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (4307520).

Almost surely, 2^50663405 is an apocalyptic number.

It is an amenable number.

50663405 is a deficient number, since it is larger than the sum of its proper divisors (18256915).

50663405 is a wasteful number, since it uses less digits than its factorization.

50663405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41060.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 50663405 is about 7117.8230520293. The cubic root of 50663405 is about 370.0253330597.

The spelling of 50663405 in words is "fifty million, six hundred sixty-three thousand, four hundred five".