50531237 has 2 divisors, whose sum is σ = 50531238. Its totient is φ = 50531236.

The previous prime is 50531231. The next prime is 50531249. The reversal of 50531237 is 73213505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 3389281 = 6866^2 + 1841^2 .

It is a cyclic number.

It is not a de Polignac number, because 50531237 - 2¹⁴ = 50514853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50531231) 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, 25265618 + 25265619.

It is an arithmetic number, because the mean of its divisors is an integer number (25265619).

Almost surely, 2^50531237 is an apocalyptic number.

It is an amenable number.

50531237 is a deficient number, since it is larger than the sum of its proper divisors (1).

50531237 is an equidigital number, since it uses as much as digits as its factorization.

50531237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 50531237 is about 7108.5326896625. The cubic root of 50531237 is about 369.7032853718.

The spelling of 50531237 in words is "fifty million, five hundred thirty-one thousand, two hundred thirty-seven".