50505223 has 4 divisors (see below), whose sum is σ = 50523760. Its totient is φ = 50486688.

The previous prime is 50505199. The next prime is 50505227. The reversal of 50505223 is 32250505.

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

It is a cyclic number.

It is not a de Polignac number, because 50505223 - 2²¹ = 48408071 is a prime.

It is a super-4 number, since 4×50505223⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50505194 and 50505203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290 + ... + 10927.

It is an arithmetic number, because the mean of its divisors is an integer number (12630940).

Almost surely, 2^50505223 is an apocalyptic number.

50505223 is a deficient number, since it is larger than the sum of its proper divisors (18537).

50505223 is a wasteful number, since it uses less digits than its factorization.

50505223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 50505223 is about 7106.7026812721. The cubic root of 50505223 is about 369.6398321318.

Adding to 50505223 its reverse (32250505), we get a palindrome (82755728).

The spelling of 50505223 in words is "fifty million, five hundred five thousand, two hundred twenty-three".