49368889 has 2 divisors, whose sum is σ = 49368890. Its totient is φ = 49368888.

The previous prime is 49368887. The next prime is 49368911. The reversal of 49368889 is 98886394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 6335289 = 6560^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 49368889 - 2¹ = 49368887 is a prime.

Together with 49368887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49368881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24684444 + 24684445.

It is an arithmetic number, because the mean of its divisors is an integer number (24684445).

Almost surely, 2^49368889 is an apocalyptic number.

It is an amenable number.

49368889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49368889 is an equidigital number, since it uses as much as digits as its factorization.

49368889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 55.

The square root of 49368889 is about 7026.2998085763. The cubic root of 49368889 is about 366.8465603030.

The spelling of 49368889 in words is "forty-nine million, three hundred sixty-eight thousand, eight hundred eighty-nine".