50818623 has 4 divisors (see below), whose sum is σ = 67758168. Its totient is φ = 33879080.

The previous prime is 50818613. The next prime is 50818657. The reversal of 50818623 is 32681805.

It is a happy number.

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 50818623 - 2¹⁷ = 50687551 is a prime.

It is a super-2 number, since 2×50818623² = 5165064887232258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50818613) 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, 8469768 + ... + 8469773.

It is an arithmetic number, because the mean of its divisors is an integer number (16939542).

Almost surely, 2^50818623 is an apocalyptic number.

50818623 is a deficient number, since it is larger than the sum of its proper divisors (16939545).

50818623 is a wasteful number, since it uses less digits than its factorization.

50818623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939544.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 50818623 is about 7128.7181877249. The cubic root of 50818623 is about 370.4028312918.

The spelling of 50818623 in words is "fifty million, eight hundred eighteen thousand, six hundred twenty-three".