49903871 has 2 divisors, whose sum is σ = 49903872. Its totient is φ = 49903870.

The previous prime is 49903853. The next prime is 49903879. The reversal of 49903871 is 17830994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49903871 - 2⁶ = 49903807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49903879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24951935 + 24951936.

It is an arithmetic number, because the mean of its divisors is an integer number (24951936).

Almost surely, 2^49903871 is an apocalyptic number.

49903871 is a deficient number, since it is larger than the sum of its proper divisors (1).

49903871 is an equidigital number, since it uses as much as digits as its factorization.

49903871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 49903871 is about 7064.2671948334. The cubic root of 49903871 is about 368.1669035559.

The spelling of 49903871 in words is "forty-nine million, nine hundred three thousand, eight hundred seventy-one".