50055518 has 4 divisors (see below), whose sum is σ = 75083280. Its totient is φ = 25027758.

The previous prime is 50055503. The next prime is 50055527. The reversal of 50055518 is 81555005.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12513878 + ... + 12513881.

It is an arithmetic number, because the mean of its divisors is an integer number (18770820).

Almost surely, 2^50055518 is an apocalyptic number.

50055518 is a deficient number, since it is larger than the sum of its proper divisors (25027762).

50055518 is a wasteful number, since it uses less digits than its factorization.

50055518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027761.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 50055518 is about 7074.9924381585. The cubic root of 50055518 is about 368.5394528019.

The spelling of 50055518 in words is "fifty million, fifty-five thousand, five hundred eighteen".