48968981 has 4 divisors (see below), whose sum is σ = 49444512. Its totient is φ = 48493452.

The previous prime is 48968977. The next prime is 48968989. The reversal of 48968981 is 18986984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48968981 - 2² = 48968977 is a prime.

It is a super-2 number, since 2×48968981² = 4795922200356722, 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 (48968989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237611 + ... + 237816.

It is an arithmetic number, because the mean of its divisors is an integer number (12361128).

Almost surely, 2^48968981 is an apocalyptic number.

It is an amenable number.

48968981 is a deficient number, since it is larger than the sum of its proper divisors (475531).

48968981 is a wasteful number, since it uses less digits than its factorization.

48968981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475530.

The product of its digits is 995328, while the sum is 53.

The square root of 48968981 is about 6997.7840063837. The cubic root of 48968981 is about 365.8533383737.

The spelling of 48968981 in words is "forty-eight million, nine hundred sixty-eight thousand, nine hundred eighty-one".