50530231 has 2 divisors, whose sum is σ = 50530232. Its totient is φ = 50530230.

The previous prime is 50530223. The next prime is 50530243. The reversal of 50530231 is 13203505.

50530231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50530231 - 2³ = 50530223 is a prime.

It is a super-2 number, since 2×50530231² = 5106608489826722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50530199 and 50530208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50530331) 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, 25265115 + 25265116.

It is an arithmetic number, because the mean of its divisors is an integer number (25265116).

Almost surely, 2^50530231 is an apocalyptic number.

50530231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50530231 is an equidigital number, since it uses as much as digits as its factorization.

50530231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 50530231 is about 7108.4619292784. The cubic root of 50530231 is about 369.7008319457.

Adding to 50530231 its reverse (13203505), we get a palindrome (63733736).

The spelling of 50530231 in words is "fifty million, five hundred thirty thousand, two hundred thirty-one".