50909111 has 4 divisors (see below), whose sum is σ = 55537224. Its totient is φ = 46281000.

The previous prime is 50909107. The next prime is 50909147. The reversal of 50909111 is 11190905.

It is a happy number.

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 50909111 - 2² = 50909107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50909171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314040 + ... + 2314061.

It is an arithmetic number, because the mean of its divisors is an integer number (13884306).

Almost surely, 2^50909111 is an apocalyptic number.

50909111 is a deficient number, since it is larger than the sum of its proper divisors (4628113).

50909111 is a wasteful number, since it uses less digits than its factorization.

50909111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628112.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 50909111 is about 7135.0620880270. The cubic root of 50909111 is about 370.6225482350.

The spelling of 50909111 in words is "fifty million, nine hundred nine thousand, one hundred eleven".