48079981 has 4 divisors (see below), whose sum is σ = 48153600. Its totient is φ = 48006364.

The previous prime is 48079979. The next prime is 48080059. The reversal of 48079981 is 18997084.

It is a happy number.

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 48079981 - 2¹ = 48079979 is a prime.

It is a super-3 number, since 3×48079981³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48079901) 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, 35821 + ... + 37138.

It is an arithmetic number, because the mean of its divisors is an integer number (12038400).

Almost surely, 2^48079981 is an apocalyptic number.

It is an amenable number.

48079981 is a deficient number, since it is larger than the sum of its proper divisors (73619).

48079981 is an equidigital number, since it uses as much as digits as its factorization.

48079981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73618.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 48079981 is about 6933.9729592781. The cubic root of 48079981 is about 363.6258608917.

The spelling of 48079981 in words is "forty-eight million, seventy-nine thousand, nine hundred eighty-one".