48081819 has 8 divisors (see below), whose sum is σ = 64614400. Its totient is φ = 31801896.

The previous prime is 48081779. The next prime is 48081821. The reversal of 48081819 is 91818084.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-48081819 is a prime.

It is a super-3 number, since 3×48081819³ (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 not an unprimeable number, because it can be changed into a prime (48081919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62719 + ... + 63480.

It is an arithmetic number, because the mean of its divisors is an integer number (8076800).

Almost surely, 2^48081819 is an apocalyptic number.

48081819 is a deficient number, since it is larger than the sum of its proper divisors (16532581).

48081819 is a wasteful number, since it uses less digits than its factorization.

48081819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126329.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 48081819 is about 6934.1054938615. The cubic root of 48081819 is about 363.6304943920.

The spelling of 48081819 in words is "forty-eight million, eighty-one thousand, eight hundred nineteen".