50775563 has 4 divisors (see below), whose sum is σ = 50867280. Its totient is φ = 50683848.

The previous prime is 50775553. The next prime is 50775611. The reversal of 50775563 is 36557705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50775563 - 2¹⁶ = 50710027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50775503) 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, 45023 + ... + 46136.

It is an arithmetic number, because the mean of its divisors is an integer number (12716820).

Almost surely, 2^50775563 is an apocalyptic number.

50775563 is a deficient number, since it is larger than the sum of its proper divisors (91717).

50775563 is an equidigital number, since it uses as much as digits as its factorization.

50775563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91716.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 50775563 is about 7125.6973693808. The cubic root of 50775563 is about 370.2981842686.

The spelling of 50775563 in words is "fifty million, seven hundred seventy-five thousand, five hundred sixty-three".