50831489 has 2 divisors, whose sum is σ = 50831490. Its totient is φ = 50831488.

The previous prime is 50831471. The next prime is 50831503. The reversal of 50831489 is 98413805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 350464 = 7105^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 50831489 - 2⁸ = 50831233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50831089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25415744 + 25415745.

It is an arithmetic number, because the mean of its divisors is an integer number (25415745).

Almost surely, 2^50831489 is an apocalyptic number.

It is an amenable number.

50831489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50831489 is an equidigital number, since it uses as much as digits as its factorization.

50831489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 50831489 is about 7129.6205368869. The cubic root of 50831489 is about 370.4340875546.

The spelling of 50831489 in words is "fifty million, eight hundred thirty-one thousand, four hundred eighty-nine".