49913873 has 2 divisors, whose sum is σ = 49913874. Its totient is φ = 49913872.

The previous prime is 49913837. The next prime is 49913917. The reversal of 49913873 is 37831994.

It is a happy number.

Together with previous prime (49913837) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (49913917) can be obtained adding 49913873 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31449664 + 18464209 = 5608^2 + 4297^2 .

It is a cyclic number.

It is not a de Polignac number, because 49913873 - 2¹² = 49909777 is a prime.

It is not a weakly prime, because it can be changed into another prime (49963873) 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, 24956936 + 24956937.

It is an arithmetic number, because the mean of its divisors is an integer number (24956937).

Almost surely, 2^49913873 is an apocalyptic number.

It is an amenable number.

49913873 is a deficient number, since it is larger than the sum of its proper divisors (1).

49913873 is an equidigital number, since it uses as much as digits as its factorization.

49913873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 49913873 is about 7064.9750884203. The cubic root of 49913873 is about 368.1914985710.

The spelling of 49913873 in words is "forty-nine million, nine hundred thirteen thousand, eight hundred seventy-three".