50568394 has 4 divisors (see below), whose sum is σ = 75852594. Its totient is φ = 25284196.

The previous prime is 50568391. The next prime is 50568407. The reversal of 50568394 is 49386505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 10080625 = 6363^2 + 3175^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (50568391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642097 + ... + 12642100.

Almost surely, 2^50568394 is an apocalyptic number.

50568394 is a deficient number, since it is larger than the sum of its proper divisors (25284200).

50568394 is a wasteful number, since it uses less digits than its factorization.

50568394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25284199.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 50568394 is about 7111.1457585961. The cubic root of 50568394 is about 369.7938808139.

The spelling of 50568394 in words is "fifty million, five hundred sixty-eight thousand, three hundred ninety-four".