50507231 has 2 divisors, whose sum is σ = 50507232. Its totient is φ = 50507230.

The previous prime is 50507209. The next prime is 50507279. The reversal of 50507231 is 13270505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50507231 - 2¹⁰ = 50506207 is a prime.

It is a super-2 number, since 2×50507231² = 5101960766574722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50507197 and 50507206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50507291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253615 + 25253616.

It is an arithmetic number, because the mean of its divisors is an integer number (25253616).

Almost surely, 2^50507231 is an apocalyptic number.

50507231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50507231 is an equidigital number, since it uses as much as digits as its factorization.

50507231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 50507231 is about 7106.8439549493. The cubic root of 50507231 is about 369.6447308129.

Adding to 50507231 its reverse (13270505), we get a palindrome (63777736).

The spelling of 50507231 in words is "fifty million, five hundred seven thousand, two hundred thirty-one".