49809248 has 24 divisors (see below), whose sum is σ = 98508312. Its totient is φ = 24791296.

The previous prime is 49809239. The next prime is 49809251. The reversal of 49809248 is 84290894.

It is a happy number.

It is a super-2 number, since 2×49809248² = 4961922372651008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49809199 and 49809208.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 10692.

It is an arithmetic number, because the mean of its divisors is an integer number (4104513).

Almost surely, 2^49809248 is an apocalyptic number.

It is an amenable number.

49809248 is a deficient number, since it is larger than the sum of its proper divisors (48699064).

49809248 is a wasteful number, since it uses less digits than its factorization.

49809248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 49809248 is about 7057.5667194863. The cubic root of 49809248 is about 367.9340619100.

The spelling of 49809248 in words is "forty-nine million, eight hundred nine thousand, two hundred forty-eight".