50389231 has 2 divisors, whose sum is σ = 50389232. Its totient is φ = 50389230.

The previous prime is 50389223. The next prime is 50389237. The reversal of 50389231 is 13298305.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50389231 - 2³ = 50389223 is a prime.

It is a super-2 number, since 2×50389231² = 5078149201542722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50389193 and 50389202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50389237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25194615 + 25194616.

It is an arithmetic number, because the mean of its divisors is an integer number (25194616).

Almost surely, 2^50389231 is an apocalyptic number.

50389231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50389231 is an equidigital number, since it uses as much as digits as its factorization.

50389231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 50389231 is about 7098.5372436862. The cubic root of 50389231 is about 369.3566394524.

The spelling of 50389231 in words is "fifty million, three hundred eighty-nine thousand, two hundred thirty-one".