50644285 has 8 divisors (see below), whose sum is σ = 60847416. Its totient is φ = 40465920.

The previous prime is 50644273. The next prime is 50644289. The reversal of 50644285 is 58244605.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 48734361 = 1382^2 + 6981^2 .

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

It is not a de Polignac number, because 50644285 - 2¹³ = 50636093 is a prime.

It is a super-2 number, since 2×50644285² = 5129687206322450, which contains 22 as substring.

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 50644285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50644289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 10153.

It is an arithmetic number, because the mean of its divisors is an integer number (7605927).

Almost surely, 2^50644285 is an apocalyptic number.

It is an amenable number.

50644285 is a deficient number, since it is larger than the sum of its proper divisors (10203131).

50644285 is a wasteful number, since it uses less digits than its factorization.

50644285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 50644285 is about 7116.4798179999. The cubic root of 50644285 is about 369.9787789144.

The spelling of 50644285 in words is "fifty million, six hundred forty-four thousand, two hundred eighty-five".