50785278 has 8 divisors (see below), whose sum is σ = 101570568. Its totient is φ = 16928424.

The previous prime is 50785249. The next prime is 50785313. The reversal of 50785278 is 87258705.

It is a happy number.

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

50785278 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

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 in 3 ways as a sum of consecutive naturals, for example, 4232101 + ... + 4232112.

It is an arithmetic number, because the mean of its divisors is an integer number (12696321).

Almost surely, 2^50785278 is an apocalyptic number.

50785278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50785278 is a wasteful number, since it uses less digits than its factorization.

50785278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464218.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 50785278 is about 7126.3790244415. The cubic root of 50785278 is about 370.3217994175.

The spelling of 50785278 in words is "fifty million, seven hundred eighty-five thousand, two hundred seventy-eight".