50656637 has 2 divisors, whose sum is σ = 50656638. Its totient is φ = 50656636.

The previous prime is 50656631. The next prime is 50656673. The reversal of 50656637 is 73665605.

Together with next prime (50656673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43744996 + 6911641 = 6614^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 50656637 - 2⁸ = 50656381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50656637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50656631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25328318 + 25328319.

It is an arithmetic number, because the mean of its divisors is an integer number (25328319).

Almost surely, 2^50656637 is an apocalyptic number.

It is an amenable number.

50656637 is a deficient number, since it is larger than the sum of its proper divisors (1).

50656637 is an equidigital number, since it uses as much as digits as its factorization.

50656637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 50656637 is about 7117.3476098895. The cubic root of 50656637 is about 370.0088554004.

The spelling of 50656637 in words is "fifty million, six hundred fifty-six thousand, six hundred thirty-seven".