50500405 has 8 divisors (see below), whose sum is σ = 60712632. Its totient is φ = 40325568.

The previous prime is 50500393. The next prime is 50500427. The reversal of 50500405 is 50400505.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62001 + 50438404 = 249^2 + 7102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50500405 - 2⁷ = 50500277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6282 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (7589079).

Almost surely, 2^50500405 is an apocalyptic number.

It is an amenable number.

50500405 is a deficient number, since it is larger than the sum of its proper divisors (10212227).

50500405 is a wasteful number, since it uses less digits than its factorization.

50500405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18695.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50500405 is about 7106.3636974194. The cubic root of 50500405 is about 369.6280776951.

It can be divided in two parts, 50500 and 405, that added together give a palindrome (50905).

The spelling of 50500405 in words is "fifty million, five hundred thousand, four hundred five".