49989982 has 8 divisors (see below), whose sum is σ = 85697136. Its totient is φ = 21424272.

The previous prime is 49989967. The next prime is 49989983. The reversal of 49989982 is 28998994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49989983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785343 + ... + 1785370.

It is an arithmetic number, because the mean of its divisors is an integer number (10712142).

Almost surely, 2^49989982 is an apocalyptic number.

49989982 is a deficient number, since it is larger than the sum of its proper divisors (35707154).

49989982 is a wasteful number, since it uses less digits than its factorization.

49989982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570722.

The product of its digits is 3359232, while the sum is 58.

The square root of 49989982 is about 7070.3593968058. The cubic root of 49989982 is about 368.3785438022.

The spelling of 49989982 in words is "forty-nine million, nine hundred eighty-nine thousand, nine hundred eighty-two".