48782981 has 16 divisors (see below), whose sum is σ = 53829888. Its totient is φ = 43934400.

The previous prime is 48782957. The next prime is 48783019. The reversal of 48782981 is 18928784.

48782981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 48782981 - 2⁶ = 48782917 is a prime.

It is a super-2 number, since 2×48782981² = 4759558470492722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48782281) 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 15 ways as a sum of consecutive naturals, for example, 179876 + ... + 180146.

It is an arithmetic number, because the mean of its divisors is an integer number (3364368).

Almost surely, 2^48782981 is an apocalyptic number.

It is an amenable number.

48782981 is a deficient number, since it is larger than the sum of its proper divisors (5046907).

48782981 is a wasteful number, since it uses less digits than its factorization.

48782981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 258048, while the sum is 47.

The square root of 48782981 is about 6984.4814410234. The cubic root of 48782981 is about 365.3895409601.

The spelling of 48782981 in words is "forty-eight million, seven hundred eighty-two thousand, nine hundred eighty-one".