49905968 has 20 divisors (see below), whose sum is σ = 110506320. Its totient is φ = 21388224.

The previous prime is 49905967. The next prime is 49905983. The reversal of 49905968 is 86950994.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49905967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222683 + ... + 222906.

It is an arithmetic number, because the mean of its divisors is an integer number (5525316).

Almost surely, 2^49905968 is an apocalyptic number.

It is an amenable number.

49905968 is an abundant number, since it is smaller than the sum of its proper divisors (60600352).

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

49905968 is a wasteful number, since it uses less digits than its factorization.

49905968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445604 (or 445598 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 49905968 is about 7064.4156163125. The cubic root of 49905968 is about 368.1720603715.

The spelling of 49905968 in words is "forty-nine million, nine hundred five thousand, nine hundred sixty-eight".