49889249 has 2 divisors, whose sum is σ = 49889250. Its totient is φ = 49889248.

The previous prime is 49889243. The next prime is 49889267. The reversal of 49889249 is 94298894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 889249 = 7000^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 49889249 - 2⁴ = 49889233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49889249.

It is not a weakly prime, because it can be changed into another prime (49889243) 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, 24944624 + 24944625.

It is an arithmetic number, because the mean of its divisors is an integer number (24944625).

Almost surely, 2^49889249 is an apocalyptic number.

It is an amenable number.

49889249 is a deficient number, since it is larger than the sum of its proper divisors (1).

49889249 is an equidigital number, since it uses as much as digits as its factorization.

49889249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 49889249 is about 7063.2321921341. The cubic root of 49889249 is about 368.1309420014.

It can be divided in two parts, 49 and 889249, that multiplied together give a square (43573201 = 6601²).

The spelling of 49889249 in words is "forty-nine million, eight hundred eighty-nine thousand, two hundred forty-nine".