50531249 has 2 divisors, whose sum is σ = 50531250. Its totient is φ = 50531248.

The previous prime is 50531237. The next prime is 50531267. The reversal of 50531249 is 94213505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33721249 + 16810000 = 5807^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 50531249 - 2²⁰ = 49482673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50531219) 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, 25265624 + 25265625.

It is an arithmetic number, because the mean of its divisors is an integer number (25265625).

Almost surely, 2^50531249 is an apocalyptic number.

It is an amenable number.

50531249 is a deficient number, since it is larger than the sum of its proper divisors (1).

50531249 is an equidigital number, since it uses as much as digits as its factorization.

50531249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 50531249 is about 7108.5335337185. The cubic root of 50531249 is about 369.7033146371.

The spelling of 50531249 in words is "fifty million, five hundred thirty-one thousand, two hundred forty-nine".