50686423 has 4 divisors (see below), whose sum is σ = 50703408. Its totient is φ = 50669440.

The previous prime is 50686409. The next prime is 50686439. The reversal of 50686423 is 32468605.

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 50686423 - 2⁹ = 50685911 is a prime.

It is a super-2 number, since 2×50686423² = 5138226953069858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50680423) 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, 2698 + ... + 10423.

It is an arithmetic number, because the mean of its divisors is an integer number (12675852).

Almost surely, 2^50686423 is an apocalyptic number.

50686423 is a deficient number, since it is larger than the sum of its proper divisors (16985).

50686423 is a wasteful number, since it uses less digits than its factorization.

50686423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16984.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 50686423 is about 7119.4397953772. The cubic root of 50686423 is about 370.0813626769.

The spelling of 50686423 in words is "fifty million, six hundred eighty-six thousand, four hundred twenty-three".