49642871 has 2 divisors, whose sum is σ = 49642872. Its totient is φ = 49642870.

The previous prime is 49642829. The next prime is 49642897. The reversal of 49642871 is 17824694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49642871 - 2¹⁰ = 49641847 is a prime.

It is a super-2 number, since 2×49642871² = 4928829282245282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49644871) 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, 24821435 + 24821436.

It is an arithmetic number, because the mean of its divisors is an integer number (24821436).

Almost surely, 2^49642871 is an apocalyptic number.

49642871 is a deficient number, since it is larger than the sum of its proper divisors (1).

49642871 is an equidigital number, since it uses as much as digits as its factorization.

49642871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 49642871 is about 7045.7697237420. The cubic root of 49642871 is about 367.5239369233.

The spelling of 49642871 in words is "forty-nine million, six hundred forty-two thousand, eight hundred seventy-one".