50642911 has 4 divisors (see below), whose sum is σ = 55246824. Its totient is φ = 46039000.

The previous prime is 50642887. The next prime is 50642927. The reversal of 50642911 is 11924605.

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

It is a cyclic number.

It is not a de Polignac number, because 50642911 - 2⁹ = 50642399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50642911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50642971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301940 + ... + 2301961.

It is an arithmetic number, because the mean of its divisors is an integer number (13811706).

Almost surely, 2^50642911 is an apocalyptic number.

50642911 is a deficient number, since it is larger than the sum of its proper divisors (4603913).

50642911 is a wasteful number, since it uses less digits than its factorization.

50642911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603912.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 50642911 is about 7116.3832808527. The cubic root of 50642911 is about 369.9754329927.

The spelling of 50642911 in words is "fifty million, six hundred forty-two thousand, nine hundred eleven".