50776811 has 4 divisors (see below), whose sum is σ = 50863032. Its totient is φ = 50690592.

The previous prime is 50776787. The next prime is 50776823. The reversal of 50776811 is 11867705.

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 50776811 - 2¹⁴ = 50760427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50776861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42221 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (12715758).

Almost surely, 2^50776811 is an apocalyptic number.

50776811 is a deficient number, since it is larger than the sum of its proper divisors (86221).

50776811 is an equidigital number, since it uses as much as digits as its factorization.

50776811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86220.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 50776811 is about 7125.7849392190. The cubic root of 50776811 is about 370.3012180662.

The spelling of 50776811 in words is "fifty million, seven hundred seventy-six thousand, eight hundred eleven".