49999808 has 14 divisors (see below), whose sum is σ = 99218496. Its totient is φ = 24999872.

The previous prime is 49999801. The next prime is 49999819. The reversal of 49999808 is 80899994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390560 + ... + 390687.

Almost surely, 2^49999808 is an apocalyptic number.

It is an amenable number.

49999808 is a deficient number, since it is larger than the sum of its proper divisors (49218688).

49999808 is an equidigital number, since it uses as much as digits as its factorization.

49999808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781259 (or 781249 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 49999808 is about 7071.0542354022. The cubic root of 49999808 is about 368.4026783074.

The spelling of 49999808 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred eight".