50685478 has 8 divisors (see below), whose sum is σ = 76233168. Its totient is φ = 25274424.

The previous prime is 50685473. The next prime is 50685487. The reversal of 50685478 is 87458605.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50685473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33226 + ... + 34717.

It is an arithmetic number, because the mean of its divisors is an integer number (9529146).

Almost surely, 2^50685478 is an apocalyptic number.

50685478 is a deficient number, since it is larger than the sum of its proper divisors (25547690).

50685478 is a wasteful number, since it uses less digits than its factorization.

50685478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68318.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 50685478 is about 7119.3734274864. The cubic root of 50685478 is about 370.0790627246.

The spelling of 50685478 in words is "fifty million, six hundred eighty-five thousand, four hundred seventy-eight".