50111823 has 16 divisors (see below), whose sum is σ = 68783616. Its totient is φ = 32435520.

The previous prime is 50111807. The next prime is 50111851. The reversal of 50111823 is 32811105.

It is not a de Polignac number, because 50111823 - 2⁴ = 50111807 is a prime.

It is a super-2 number, since 2×50111823² = 5022389608766658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50111823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17115 + ... + 19827.

It is an arithmetic number, because the mean of its divisors is an integer number (4298976).

Almost surely, 2^50111823 is an apocalyptic number.

50111823 is a deficient number, since it is larger than the sum of its proper divisors (18671793).

50111823 is a wasteful number, since it uses less digits than its factorization.

50111823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 50111823 is about 7078.9704759944. The cubic root of 50111823 is about 368.6775850140.

Adding to 50111823 its reverse (32811105), we get a palindrome (82922928).

The spelling of 50111823 in words is "fifty million, one hundred eleven thousand, eight hundred twenty-three".