49973638 has 24 divisors (see below), whose sum is σ = 88555896. Its totient is φ = 20966400.

The previous prime is 49973603. The next prime is 49973639. The reversal of 49973638 is 83637994.

49973638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49973591 and 49973600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49973639) 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 in 11 ways as a sum of consecutive naturals, for example, 3003 + ... + 10438.

It is an arithmetic number, because the mean of its divisors is an integer number (3689829).

Almost surely, 2^49973638 is an apocalyptic number.

49973638 is a deficient number, since it is larger than the sum of its proper divisors (38582258).

49973638 is a wasteful number, since it uses less digits than its factorization.

49973638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13480 (or 13467 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 49973638 is about 7069.2034912004. The cubic root of 49973638 is about 368.3383928563.

The spelling of 49973638 in words is "forty-nine million, nine hundred seventy-three thousand, six hundred thirty-eight".