49987916 has 12 divisors (see below), whose sum is σ = 95431560. Its totient is φ = 22721760.

The previous prime is 49987907. The next prime is 49987919. The reversal of 49987916 is 61978994.

It is a happy number.

49987916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49987919) 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 3 ways as a sum of consecutive naturals, for example, 568001 + ... + 568088.

It is an arithmetic number, because the mean of its divisors is an integer number (7952630).

Almost surely, 2^49987916 is an apocalyptic number.

It is an amenable number.

49987916 is a deficient number, since it is larger than the sum of its proper divisors (45443644).

49987916 is a wasteful number, since it uses less digits than its factorization.

49987916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136104 (or 1136102 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 49987916 is about 7070.2132923979. The cubic root of 49987916 is about 368.3734689151.

The spelling of 49987916 in words is "forty-nine million, nine hundred eighty-seven thousand, nine hundred sixteen".