50502811 has 4 divisors (see below), whose sum is σ = 50517352. Its totient is φ = 50488272.

The previous prime is 50502773. The next prime is 50502821. The reversal of 50502811 is 11820505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50502811 - 2¹¹ = 50500763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50502821) 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, 1336 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (12629338).

Almost surely, 2^50502811 is an apocalyptic number.

50502811 is a deficient number, since it is larger than the sum of its proper divisors (14541).

50502811 is an equidigital number, since it uses as much as digits as its factorization.

50502811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 50502811 is about 7106.5329802936. The cubic root of 50502811 is about 369.6339476878.

The spelling of 50502811 in words is "fifty million, five hundred two thousand, eight hundred eleven".