49491616 has 24 divisors (see below), whose sum is σ = 98407764. Its totient is φ = 24499200.

The previous prime is 49491601. The next prime is 49491623. The reversal of 49491616 is 61619494.

49491616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49056016 + 435600 = 7004^2 + 660^2 .

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425 + ... + 10888.

Almost surely, 2^49491616 is an apocalyptic number.

It is an amenable number.

49491616 is a deficient number, since it is larger than the sum of its proper divisors (48916148).

49491616 is a wasteful number, since it uses less digits than its factorization.

49491616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424 (or 15416 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 49491616 is about 7035.0277895684. The cubic root of 49491616 is about 367.1502922226.

It can be divided in two parts, 4949 and 1616, that multiplied together give a square (7997584 = 2828²).

The spelling of 49491616 in words is "forty-nine million, four hundred ninety-one thousand, six hundred sixteen".