50405411 has 24 divisors (see below), whose sum is σ = 61009920. Its totient is φ = 40778640.

The previous prime is 50405401. The next prime is 50405437. The reversal of 50405411 is 11450405.

It is a de Polignac number, because none of the positive numbers 2^k-50405411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50405401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396830 + ... + 396956.

It is an arithmetic number, because the mean of its divisors is an integer number (2542080).

Almost surely, 2^50405411 is an apocalyptic number.

50405411 is a deficient number, since it is larger than the sum of its proper divisors (10604509).

50405411 is a wasteful number, since it uses less digits than its factorization.

50405411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 50405411 is about 7099.6768236308. The cubic root of 50405411 is about 369.3961687378.

Adding to 50405411 its reverse (11450405), we get a palindrome (61855816).

The spelling of 50405411 in words is "fifty million, four hundred five thousand, four hundred eleven".