49871527 has 2 divisors, whose sum is σ = 49871528. Its totient is φ = 49871526.

The previous prime is 49871519. The next prime is 49871551. The reversal of 49871527 is 72517894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49871527 - 2³ = 49871519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49872527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24935763 + 24935764.

It is an arithmetic number, because the mean of its divisors is an integer number (24935764).

Almost surely, 2^49871527 is an apocalyptic number.

49871527 is a deficient number, since it is larger than the sum of its proper divisors (1).

49871527 is an equidigital number, since it uses as much as digits as its factorization.

49871527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 49871527 is about 7061.9775558975. The cubic root of 49871527 is about 368.0873468425.

The spelling of 49871527 in words is "forty-nine million, eight hundred seventy-one thousand, five hundred twenty-seven".