49997328 has 40 divisors (see below), whose sum is σ = 130119648. Its totient is φ = 16541952.

The previous prime is 49997317. The next prime is 49997351. The reversal of 49997328 is 82379994.

49997328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 2775 + ... + 10377.

Almost surely, 2^49997328 is an apocalyptic number.

49997328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49997328 is an abundant number, since it is smaller than the sum of its proper divisors (80122320).

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

49997328 is a wasteful number, since it uses less digits than its factorization.

49997328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751 (or 7745 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 49997328 is about 7070.8788704093. The cubic root of 49997328 is about 368.3965872590.

The spelling of 49997328 in words is "forty-nine million, nine hundred ninety-seven thousand, three hundred twenty-eight".