49959491 has 2 divisors, whose sum is σ = 49959492. Its totient is φ = 49959490.

The previous prime is 49959479. The next prime is 49959523. The reversal of 49959491 is 19495994.

49959491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49959491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49959461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24979745 + 24979746.

It is an arithmetic number, because the mean of its divisors is an integer number (24979746).

Almost surely, 2^49959491 is an apocalyptic number.

49959491 is a deficient number, since it is larger than the sum of its proper divisors (1).

49959491 is an equidigital number, since it uses as much as digits as its factorization.

49959491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 50.

The square root of 49959491 is about 7068.2028125967. The cubic root of 49959491 is about 368.3036320288.

The spelling of 49959491 in words is "forty-nine million, nine hundred fifty-nine thousand, four hundred ninety-one".