50644331 has 2 divisors, whose sum is σ = 50644332. Its totient is φ = 50644330.

The previous prime is 50644313. The next prime is 50644351. The reversal of 50644331 is 13344605.

Together with previous prime (50644313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50644331 - 2⁶ = 50644267 is a prime.

It is a super-2 number, since 2×50644331² = 5129696524875122, which contains 22 as substring.

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 50644331.

It is not a weakly prime, because it can be changed into another prime (50644301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25322165 + 25322166.

It is an arithmetic number, because the mean of its divisors is an integer number (25322166).

Almost surely, 2^50644331 is an apocalyptic number.

50644331 is a deficient number, since it is larger than the sum of its proper divisors (1).

50644331 is an equidigital number, since it uses as much as digits as its factorization.

50644331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 50644331 is about 7116.4830499341. The cubic root of 50644331 is about 369.9788909311.

Adding to 50644331 its reverse (13344605), we get a palindrome (63988936).

The spelling of 50644331 in words is "fifty million, six hundred forty-four thousand, three hundred thirty-one".