49871808 has 336 divisors, whose sum is σ = 185318400. Its totient is φ = 13063680.

The previous prime is 49871803. The next prime is 49871821. The reversal of 49871808 is 80817894.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49871803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1608753 + ... + 1608783.

Almost surely, 2^49871808 is an apocalyptic number.

49871808 is a gapful number since it is divisible by the number (48) 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 49871808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92659200).

49871808 is an abundant number, since it is smaller than the sum of its proper divisors (135446592).

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

49871808 is a wasteful number, since it uses less digits than its factorization.

49871808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 49871808 is about 7061.9974511465. The cubic root of 49871808 is about 368.0880381678.

The spelling of 49871808 in words is "forty-nine million, eight hundred seventy-one thousand, eight hundred eight".