48991784 has 16 divisors (see below), whose sum is σ = 93366420. Its totient is φ = 24094080.

The previous prime is 48991783. The next prime is 48991819. The reversal of 48991784 is 48719984.

48991784 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 44488900 + 4502884 = 6670^2 + 2122^2 .

It is not an unprimeable number, because it can be changed into a prime (48991781) by changing a digit.

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, 49709 + ... + 50684.

Almost surely, 2^48991784 is an apocalyptic number.

It is an amenable number.

48991784 is a deficient number, since it is larger than the sum of its proper divisors (44374636).

48991784 is a wasteful number, since it uses less digits than its factorization.

48991784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100460 (or 100456 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 48991784 is about 6999.4131182550. The cubic root of 48991784 is about 365.9101175763.

The spelling of 48991784 in words is "forty-eight million, nine hundred ninety-one thousand, seven hundred eighty-four".