50778938 has 8 divisors (see below), whose sum is σ = 87049632. Its totient is φ = 21762396.

The previous prime is 50778919. The next prime is 50778947. The reversal of 50778938 is 83987705.

50778938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 50778892 and 50778901.

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 3 ways as a sum of consecutive naturals, for example, 1813520 + ... + 1813547.

It is an arithmetic number, because the mean of its divisors is an integer number (10881204).

Almost surely, 2^50778938 is an apocalyptic number.

50778938 is a deficient number, since it is larger than the sum of its proper divisors (36270694).

50778938 is a wasteful number, since it uses less digits than its factorization.

50778938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627076.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 50778938 is about 7125.9341843719. The cubic root of 50778938 is about 370.3063885346.

The spelling of 50778938 in words is "fifty million, seven hundred seventy-eight thousand, nine hundred thirty-eight".