50555111 has 4 divisors (see below), whose sum is σ = 50583000. Its totient is φ = 50527224.

The previous prime is 50555107. The next prime is 50555117. The reversal of 50555111 is 11155505.

It is a happy number.

50555111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50555111 - 2² = 50555107 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 (50555117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11021 + ... + 14918.

It is an arithmetic number, because the mean of its divisors is an integer number (12645750).

Almost surely, 2^50555111 is an apocalyptic number.

50555111 is a deficient number, since it is larger than the sum of its proper divisors (27889).

50555111 is a wasteful number, since it uses less digits than its factorization.

50555111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 50555111 is about 7110.2117408696. The cubic root of 50555111 is about 369.7614995716.

The spelling of 50555111 in words is "fifty million, five hundred fifty-five thousand, one hundred eleven".