49985000 has 80 divisors (see below), whose sum is σ = 126287700. Its totient is φ = 18432000.

The previous prime is 49984999. The next prime is 49985011. The reversal of 49985000 is 58994.

It can be written as a sum of positive squares in 10 ways, for example, as 12945604 + 37039396 = 3598^2 + 6086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64616 + ... + 65384.

Almost surely, 2^49985000 is an apocalyptic number.

49985000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63143850).

49985000 is an abundant number, since it is smaller than the sum of its proper divisors (76302700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49985000 is a wasteful number, since it uses less digits than its factorization.

49985000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 49985000 is about 7070.0070721322. The cubic root of 49985000 is about 368.3663058644.

The spelling of 49985000 in words is "forty-nine million, nine hundred eighty-five thousand".