50494945 has 8 divisors (see below), whose sum is σ = 62683560. Its totient is φ = 39002880.

The previous prime is 50494937. The next prime is 50494949. The reversal of 50494945 is 54949405.

50494945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2719201 + 47775744 = 1649^2 + 6912^2 .

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

It is not a de Polignac number, because 50494945 - 2³ = 50494937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50494898 and 50494907.

It is not an unprimeable number, because it can be changed into a prime (50494949) 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 in 7 ways as a sum of consecutive naturals, for example, 173976 + ... + 174265.

It is an arithmetic number, because the mean of its divisors is an integer number (7835445).

Almost surely, 2^50494945 is an apocalyptic number.

It is an amenable number.

50494945 is a deficient number, since it is larger than the sum of its proper divisors (12188615).

50494945 is a wasteful number, since it uses less digits than its factorization.

50494945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348275.

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

The square root of 50494945 is about 7105.9795243161. The cubic root of 50494945 is about 369.6147560723.

The spelling of 50494945 in words is "fifty million, four hundred ninety-four thousand, nine hundred forty-five".