49899000 has 64 divisors (see below), whose sum is σ = 155694240. Its totient is φ = 13305600.

The previous prime is 49898999. The next prime is 49899041. The reversal of 49899000 is 99894.

It is a self number, because there is not a number n which added to its sum of digits gives 49899000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317 + ... + 11316.

Almost surely, 2^49899000 is an apocalyptic number.

49899000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49899000 is an abundant number, since it is smaller than the sum of its proper divisors (105795240).

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

49899000 is a wasteful number, since it uses less digits than its factorization.

49899000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16657 (or 16643 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 49899000 is about 7063.9224231301. The cubic root of 49899000 is about 368.1549245296.

The spelling of 49899000 in words is "forty-nine million, eight hundred ninety-nine thousand".