49681648 has 10 divisors (see below), whose sum is σ = 96258224. Its totient is φ = 24840816.

The previous prime is 49681613. The next prime is 49681649. The reversal of 49681648 is 84618694.

49681648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49681648² = 4936532295991808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49681598 and 49681607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49681649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552536 + ... + 1552567.

Almost surely, 2^49681648 is an apocalyptic number.

It is an amenable number.

49681648 is a deficient number, since it is larger than the sum of its proper divisors (46576576).

49681648 is a wasteful number, since it uses less digits than its factorization.

49681648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105111 (or 3105105 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 49681648 is about 7048.5209796098. The cubic root of 49681648 is about 367.6196053534.

The spelling of 49681648 in words is "forty-nine million, six hundred eighty-one thousand, six hundred forty-eight".