50491499 has 2 divisors, whose sum is σ = 50491500. Its totient is φ = 50491498.

The previous prime is 50491477. The next prime is 50491501. The reversal of 50491499 is 99419405.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50491499 - 2¹² = 50487403 is a prime.

Together with 50491501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50491409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25245749 + 25245750.

It is an arithmetic number, because the mean of its divisors is an integer number (25245750).

Almost surely, 2^50491499 is an apocalyptic number.

50491499 is a deficient number, since it is larger than the sum of its proper divisors (1).

50491499 is an equidigital number, since it uses as much as digits as its factorization.

50491499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 50491499 is about 7105.7370483293. The cubic root of 50491499 is about 369.6063478285.

The spelling of 50491499 in words is "fifty million, four hundred ninety-one thousand, four hundred ninety-nine".