50516563 has 4 divisors (see below), whose sum is σ = 50578768. Its totient is φ = 50454360.

The previous prime is 50516549. The next prime is 50516603. The reversal of 50516563 is 36561505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36561505 = 5 ⋅7312301.

It is a cyclic number.

It is not a de Polignac number, because 50516563 - 2⁹ = 50516051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50516363) 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 in 3 ways as a sum of consecutive naturals, for example, 29868 + ... + 31513.

It is an arithmetic number, because the mean of its divisors is an integer number (12644692).

Almost surely, 2^50516563 is an apocalyptic number.

50516563 is a deficient number, since it is larger than the sum of its proper divisors (62205).

50516563 is an equidigital number, since it uses as much as digits as its factorization.

50516563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62204.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 50516563 is about 7107.5004748505. The cubic root of 50516563 is about 369.6674952906.

The spelling of 50516563 in words is "fifty million, five hundred sixteen thousand, five hundred sixty-three".