49993688 has 8 divisors (see below), whose sum is σ = 93738180. Its totient is φ = 24996840.

The previous prime is 49993679. The next prime is 49993721. The reversal of 49993688 is 88639994.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 3124598 + ... + 3124613.

Almost surely, 2^49993688 is an apocalyptic number.

It is an amenable number.

49993688 is a deficient number, since it is larger than the sum of its proper divisors (43744492).

49993688 is a wasteful number, since it uses less digits than its factorization.

49993688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249217 (or 6249213 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 49993688 is about 7070.6214719783. The cubic root of 49993688 is about 368.3876468071.

The spelling of 49993688 in words is "forty-nine million, nine hundred ninety-three thousand, six hundred eighty-eight".