50431 has 8 divisors (see below), whose sum is σ = 54720. Its totient is φ = 46368.

The previous prime is 50423. The next prime is 50441. The reversal of 50431 is 13405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50431 - 2³ = 50423 is a prime.

It is a super-2 number, since 2×50431² = 5086571522, which contains 22 as substring.

It is a Duffinian number.

50431 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (6840).

2⁵⁰⁴³¹ is an apocalyptic number.

50431 is a deficient number, since it is larger than the sum of its proper divisors (4289).

50431 is a wasteful number, since it uses less digits than its factorization.

50431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50431 is about 224.5684750805. The cubic root of 50431 is about 36.9458667844.

Adding to 50431 its reverse (13405), we get a palindrome (63836).

It can be divided in two parts, 504 and 31, that added together give a palindrome (535).

The spelling of 50431 in words is "fifty thousand, four hundred thirty-one".