50564231 has 2 divisors, whose sum is σ = 50564232. Its totient is φ = 50564230.

The previous prime is 50564221. The next prime is 50564233. The reversal of 50564231 is 13246505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50564231 is a prime.

It is a super-2 number, since 2×50564231² = 5113482913242722, which contains 22 as substring.

Together with 50564233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50564231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50564233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25282115 + 25282116.

It is an arithmetic number, because the mean of its divisors is an integer number (25282116).

Almost surely, 2^50564231 is an apocalyptic number.

50564231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50564231 is an equidigital number, since it uses as much as digits as its factorization.

50564231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50564231 is about 7110.8530430603. The cubic root of 50564231 is about 369.7837328799.

The spelling of 50564231 in words is "fifty million, five hundred sixty-four thousand, two hundred thirty-one".