50443431 has 4 divisors (see below), whose sum is σ = 67257912. Its totient is φ = 33628952.

The previous prime is 50443409. The next prime is 50443451. The reversal of 50443431 is 13434405.

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 50443431 - 2⁷ = 50443303 is a prime.

It is a super-2 number, since 2×50443431² = 5089079462103522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50443451) 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, 8407236 + ... + 8407241.

It is an arithmetic number, because the mean of its divisors is an integer number (16814478).

Almost surely, 2^50443431 is an apocalyptic number.

50443431 is a deficient number, since it is larger than the sum of its proper divisors (16814481).

50443431 is a wasteful number, since it uses less digits than its factorization.

50443431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814480.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 50443431 is about 7102.3539055724. The cubic root of 50443431 is about 369.4890219479.

Adding to 50443431 its reverse (13434405), we get a palindrome (63877836).

The spelling of 50443431 in words is "fifty million, four hundred forty-three thousand, four hundred thirty-one".