50213231 has 2 divisors, whose sum is σ = 50213232. Its totient is φ = 50213230.

The previous prime is 50213197. The next prime is 50213237. The reversal of 50213231 is 13231205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50213231 - 2¹⁴ = 50196847 is a prime.

It is a super-2 number, since 2×50213231² = 5042737134918722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50213237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25106615 + 25106616.

It is an arithmetic number, because the mean of its divisors is an integer number (25106616).

Almost surely, 2^50213231 is an apocalyptic number.

50213231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50213231 is an equidigital number, since it uses as much as digits as its factorization.

50213231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 50213231 is about 7086.1294794831. The cubic root of 50213231 is about 368.9261069763.

Adding to 50213231 its reverse (13231205), we get a palindrome (63444436).

The spelling of 50213231 in words is "fifty million, two hundred thirteen thousand, two hundred thirty-one".