50543231 has 2 divisors, whose sum is σ = 50543232. Its totient is φ = 50543230.

The previous prime is 50543209. The next prime is 50543239. The reversal of 50543231 is 13234505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50543231 is a prime.

It is a super-3 number, since 3×50543231³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 50543197 and 50543206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50543239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25271615 + 25271616.

It is an arithmetic number, because the mean of its divisors is an integer number (25271616).

Almost surely, 2^50543231 is an apocalyptic number.

50543231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50543231 is an equidigital number, since it uses as much as digits as its factorization.

50543231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50543231 is about 7109.3762736263. The cubic root of 50543231 is about 369.7325337515.

Adding to 50543231 its reverse (13234505), we get a palindrome (63777736).

The spelling of 50543231 in words is "fifty million, five hundred forty-three thousand, two hundred thirty-one".