50505823 has 2 divisors, whose sum is σ = 50505824. Its totient is φ = 50505822.

The previous prime is 50505821. The next prime is 50505839. The reversal of 50505823 is 32850505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50505823 - 2¹ = 50505821 is a prime.

Together with 50505821, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 50505791 and 50505800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252911 + 25252912.

It is an arithmetic number, because the mean of its divisors is an integer number (25252912).

Almost surely, 2^50505823 is an apocalyptic number.

50505823 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505823 is an equidigital number, since it uses as much as digits as its factorization.

50505823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 50505823 is about 7106.7448948165. The cubic root of 50505823 is about 369.6412958947.

The spelling of 50505823 in words is "fifty million, five hundred five thousand, eight hundred twenty-three".