50516423 has 4 divisors (see below), whose sum is σ = 50689128. Its totient is φ = 50343720.

The previous prime is 50516419. The next prime is 50516437. The reversal of 50516423 is 32461505.

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 50516423 - 2² = 50516419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50516392 and 50516401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50516923) 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, 85913 + ... + 86498.

It is an arithmetic number, because the mean of its divisors is an integer number (12672282).

Almost surely, 2^50516423 is an apocalyptic number.

50516423 is a deficient number, since it is larger than the sum of its proper divisors (172705).

50516423 is a wasteful number, since it uses less digits than its factorization.

50516423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172704.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50516423 is about 7107.4906260930. The cubic root of 50516423 is about 369.6671537954.

Adding to 50516423 its reverse (32461505), we get a palindrome (82977928).

The spelling of 50516423 in words is "fifty million, five hundred sixteen thousand, four hundred twenty-three".