50638457 has 8 divisors (see below), whose sum is σ = 51254280. Its totient is φ = 50025600.

The previous prime is 50638453. The next prime is 50638463. The reversal of 50638457 is 75483605.

50638457 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 8271376 + 42367081 = 2876^2 + 6509^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50638457 - 2² = 50638453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50638457.

It is not an unprimeable number, because it can be changed into a prime (50638453) 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, 65123 + ... + 65895.

It is an arithmetic number, because the mean of its divisors is an integer number (6406785).

Almost surely, 2^50638457 is an apocalyptic number.

It is an amenable number.

50638457 is a deficient number, since it is larger than the sum of its proper divisors (615823).

50638457 is a wasteful number, since it uses less digits than its factorization.

50638457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 50638457 is about 7116.0703341100. The cubic root of 50638457 is about 369.9645863354.

The spelling of 50638457 in words is "fifty million, six hundred thirty-eight thousand, four hundred fifty-seven".