50518505 has 8 divisors (see below), whose sum is σ = 62260872. Its totient is φ = 39322368.

The previous prime is 50518477. The next prime is 50518537. The reversal of 50518505 is 50581505.

50518505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1336336 + 49182169 = 1156^2 + 7013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50518505 - 2¹⁸ = 50256361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 136352 + ... + 136721.

It is an arithmetic number, because the mean of its divisors is an integer number (7782609).

Almost surely, 2^50518505 is an apocalyptic number.

It is an amenable number.

50518505 is a deficient number, since it is larger than the sum of its proper divisors (11742367).

50518505 is a wasteful number, since it uses less digits than its factorization.

50518505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273115.

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

The square root of 50518505 is about 7107.6370897789. The cubic root of 50518505 is about 369.6722322523.

The spelling of 50518505 in words is "fifty million, five hundred eighteen thousand, five hundred five".