48181839 has 8 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 32067096.

The previous prime is 48181811. The next prime is 48181933. The reversal of 48181839 is 93818184.

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

It is not a de Polignac number, because 48181839 - 2¹² = 48177743 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 48181839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48181039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11409 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^48181839 is an apocalyptic number.

48181839 is a deficient number, since it is larger than the sum of its proper divisors (16168881).

48181839 is a wasteful number, since it uses less digits than its factorization.

48181839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069.

The product of its digits is 55296, while the sum is 42.

The square root of 48181839 is about 6941.3139246111. The cubic root of 48181839 is about 363.8824616475.

The spelling of 48181839 in words is "forty-eight million, one hundred eighty-one thousand, eight hundred thirty-nine".