50478686 has 4 divisors (see below), whose sum is σ = 75718032. Its totient is φ = 25239342.

The previous prime is 50478683. The next prime is 50478739. The reversal of 50478686 is 68687405.

50478686 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478683) 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 as a sum of consecutive naturals, namely, 12619670 + ... + 12619673.

It is an arithmetic number, because the mean of its divisors is an integer number (18929508).

Almost surely, 2^50478686 is an apocalyptic number.

50478686 is a deficient number, since it is larger than the sum of its proper divisors (25239346).

50478686 is a wasteful number, since it uses less digits than its factorization.

50478686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25239345.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 50478686 is about 7104.8353957006. The cubic root of 50478686 is about 369.5750807381.

The spelling of 50478686 in words is "fifty million, four hundred seventy-eight thousand, six hundred eighty-six".