50778671 has 2 divisors, whose sum is σ = 50778672. Its totient is φ = 50778670.

The previous prime is 50778649. The next prime is 50778709. The reversal of 50778671 is 17687705.

50778671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50778671 - 2¹⁰ = 50777647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389335 + 25389336.

It is an arithmetic number, because the mean of its divisors is an integer number (25389336).

Almost surely, 2^50778671 is an apocalyptic number.

50778671 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778671 is an equidigital number, since it uses as much as digits as its factorization.

50778671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 50778671 is about 7125.9154499615. The cubic root of 50778671 is about 370.3057394993.

The spelling of 50778671 in words is "fifty million, seven hundred seventy-eight thousand, six hundred seventy-one".