49665216 has 28 divisors (see below), whose sum is σ = 131406392. Its totient is φ = 16555008.

The previous prime is 49665199. The next prime is 49665233. The reversal of 49665216 is 61256694.

49665216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49665199) and next prime (49665233).

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 3 ways as a sum of consecutive naturals, for example, 129145 + ... + 129528.

Almost surely, 2^49665216 is an apocalyptic number.

It is an amenable number.

49665216 is an abundant number, since it is smaller than the sum of its proper divisors (81741176).

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

49665216 is a wasteful number, since it uses less digits than its factorization.

49665216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258688 (or 258678 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 49665216 is about 7047.3552486021. The cubic root of 49665216 is about 367.5790713286.

The spelling of 49665216 in words is "forty-nine million, six hundred sixty-five thousand, two hundred sixteen".