48168981 has 12 divisors (see below), whose sum is σ = 79517152. Its totient is φ = 27525096.

The previous prime is 48168961. The next prime is 48168983. The reversal of 48168981 is 18986184.

It is not a de Polignac number, because 48168981 - 2⁶ = 48168917 is a prime.

It is a super-2 number, since 2×48168981² = 4640501461156722, 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 (48168983) 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 11 ways as a sum of consecutive naturals, for example, 382231 + ... + 382356.

Almost surely, 2^48168981 is an apocalyptic number.

It is an amenable number.

48168981 is a deficient number, since it is larger than the sum of its proper divisors (31348171).

48168981 is a wasteful number, since it uses less digits than its factorization.

48168981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764600 (or 764597 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 48168981 is about 6940.3876692876. The cubic root of 48168981 is about 363.8500897203.

The spelling of 48168981 in words is "forty-eight million, one hundred sixty-eight thousand, nine hundred eighty-one".