50009031 has 6 divisors (see below), whose sum is σ = 72235280. Its totient is φ = 33339348.

The previous prime is 50009017. The next prime is 50009117. The reversal of 50009031 is 13090005.

It is not a de Polignac number, because 50009031 - 2⁶ = 50008967 is a prime.

It is a super-2 number, since 2×50009031² = 5001806363117922, 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 = 50008995 and 50009013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50009431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778271 + ... + 2778288.

Almost surely, 2^50009031 is an apocalyptic number.

50009031 is a deficient number, since it is larger than the sum of its proper divisors (22226249).

50009031 is a wasteful number, since it uses less digits than its factorization.

50009031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556565 (or 5556562 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 50009031 is about 7071.7063711667. The cubic root of 50009031 is about 368.4253288544.

Adding to 50009031 its reverse (13090005), we get a palindrome (63099036).

The spelling of 50009031 in words is "fifty million, nine thousand, thirty-one".