49899816 has 48 divisors (see below), whose sum is σ = 135495360. Its totient is φ = 16590240.

The previous prime is 49899809. The next prime is 49899841. The reversal of 49899816 is 61899894.

49899816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39921 + ... + 41151.

It is an arithmetic number, because the mean of its divisors is an integer number (2822820).

Almost surely, 2^49899816 is an apocalyptic number.

It is an amenable number.

49899816 is an abundant number, since it is smaller than the sum of its proper divisors (85595544).

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

49899816 is a wasteful number, since it uses less digits than its factorization.

49899816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1799 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 49899816 is about 7063.9801811727. The cubic root of 49899816 is about 368.1569313353.

The spelling of 49899816 in words is "forty-nine million, eight hundred ninety-nine thousand, eight hundred sixteen".