50577817 has 2 divisors, whose sum is σ = 50577818. Its totient is φ = 50577816.

The previous prime is 50577811. The next prime is 50577859. The reversal of 50577817 is 71877505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 3463321 = 6864^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 50577817 - 2¹⁹ = 50053529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50577817.

It is not a weakly prime, because it can be changed into another prime (50577811) 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, 25288908 + 25288909.

It is an arithmetic number, because the mean of its divisors is an integer number (25288909).

Almost surely, 2^50577817 is an apocalyptic number.

It is an amenable number.

50577817 is a deficient number, since it is larger than the sum of its proper divisors (1).

50577817 is an equidigital number, since it uses as much as digits as its factorization.

50577817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 50577817 is about 7111.8082791931. The cubic root of 50577817 is about 369.8168487263.

The spelling of 50577817 in words is "fifty million, five hundred seventy-seven thousand, eight hundred seventeen".