50937581 has 2 divisors, whose sum is σ = 50937582. Its totient is φ = 50937580.

The previous prime is 50937569. The next prime is 50937583. The reversal of 50937581 is 18573905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 17355556 = 5795^2 + 4166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50937581 is a prime.

It is a super-2 number, since 2×50937581² = 5189274316263122, which contains 22 as substring.

Together with 50937583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50937583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25468790 + 25468791.

It is an arithmetic number, because the mean of its divisors is an integer number (25468791).

Almost surely, 2^50937581 is an apocalyptic number.

It is an amenable number.

50937581 is a deficient number, since it is larger than the sum of its proper divisors (1).

50937581 is an equidigital number, since it uses as much as digits as its factorization.

50937581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 50937581 is about 7137.0568864203. The cubic root of 50937581 is about 370.6916233470.

The spelling of 50937581 in words is "fifty million, nine hundred thirty-seven thousand, five hundred eighty-one".