50040031 has 4 divisors (see below), whose sum is σ = 50054464. Its totient is φ = 50025600.

The previous prime is 50040017. The next prime is 50040059. The reversal of 50040031 is 13004005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50040031 - 2⁹ = 50039519 is a prime.

It is a super-2 number, since 2×50040031² = 5008009404961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50039993 and 50040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040071) 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, 1471 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (12513616).

Almost surely, 2^50040031 is an apocalyptic number.

50040031 is a deficient number, since it is larger than the sum of its proper divisors (14433).

50040031 is an equidigital number, since it uses as much as digits as its factorization.

50040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432.

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

The square root of 50040031 is about 7073.8978646854. The cubic root of 50040031 is about 368.5014406141.

Adding to 50040031 its reverse (13004005), we get a palindrome (63044036).

The spelling of 50040031 in words is "fifty million, forty thousand, thirty-one".