50440423 has 12 divisors (see below), whose sum is σ = 55626984. Its totient is φ = 45702800.

The previous prime is 50440409. The next prime is 50440451. The reversal of 50440423 is 32404405.

It is a happy number.

It is not a de Polignac number, because 50440423 - 2⁵ = 50440391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50440394 and 50440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50449423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53133 + ... + 54073.

It is an arithmetic number, because the mean of its divisors is an integer number (4635582).

Almost surely, 2^50440423 is an apocalyptic number.

50440423 is a deficient number, since it is larger than the sum of its proper divisors (5186561).

50440423 is a wasteful number, since it uses less digits than its factorization.

50440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 50440423 is about 7102.1421416359. The cubic root of 50440423 is about 369.4816774497.

Adding to 50440423 its reverse (32404405), we get a palindrome (82844828).

The spelling of 50440423 in words is "fifty million, four hundred forty thousand, four hundred twenty-three".