49992489 has 24 divisors (see below), whose sum is σ = 75219144. Its totient is φ = 31968000.

The previous prime is 49992469. The next prime is 49992497. The reversal of 49992489 is 98429994.

It can be written as a sum of positive squares in 4 ways, for example, as 501264 + 49491225 = 708^2 + 7035^2 .

It is not a de Polignac number, because 49992489 - 2⁷ = 49992361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49992469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21399 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (3134131).

Almost surely, 2^49992489 is an apocalyptic number.

It is an amenable number.

49992489 is a deficient number, since it is larger than the sum of its proper divisors (25226655).

49992489 is a wasteful number, since it uses less digits than its factorization.

49992489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2326 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 49992489 is about 7070.5366840149. The cubic root of 49992489 is about 368.3847017665.

The spelling of 49992489 in words is "forty-nine million, nine hundred ninety-two thousand, four hundred eighty-nine".