50573218 has 4 divisors (see below), whose sum is σ = 75859830. Its totient is φ = 25286608.

The previous prime is 50573197. The next prime is 50573219. The reversal of 50573218 is 81237505.

50573218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81237505 = 5 ⋅16247501.

It can be written as a sum of positive squares in only one way, i.e., 42029289 + 8543929 = 6483^2 + 2923^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50573218.

It is not an unprimeable number, because it can be changed into a prime (50573219) 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 as a sum of consecutive naturals, namely, 12643303 + ... + 12643306.

Almost surely, 2^50573218 is an apocalyptic number.

50573218 is a deficient number, since it is larger than the sum of its proper divisors (25286612).

50573218 is a wasteful number, since it uses less digits than its factorization.

50573218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25286611.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 50573218 is about 7111.4849363547. The cubic root of 50573218 is about 369.8056393375.

The spelling of 50573218 in words is "fifty million, five hundred seventy-three thousand, two hundred eighteen".