50685563 has 2 divisors, whose sum is σ = 50685564. Its totient is φ = 50685562.

The previous prime is 50685529. The next prime is 50685581. The reversal of 50685563 is 36558605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50685563 - 2¹⁰ = 50684539 is a prime.

It is not a weakly prime, because it can be changed into another prime (50685163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25342781 + 25342782.

It is an arithmetic number, because the mean of its divisors is an integer number (25342782).

Almost surely, 2^50685563 is an apocalyptic number.

50685563 is a deficient number, since it is larger than the sum of its proper divisors (1).

50685563 is an equidigital number, since it uses as much as digits as its factorization.

50685563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 50685563 is about 7119.3793971104. The cubic root of 50685563 is about 370.0792695998.

The spelling of 50685563 in words is "fifty million, six hundred eighty-five thousand, five hundred sixty-three".