48871139 has 4 divisors (see below), whose sum is σ = 50063160. Its totient is φ = 47679120.

The previous prime is 48871129. The next prime is 48871153. The reversal of 48871139 is 93117884.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48871139 - 2¹² = 48867043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1191979 = 48871139 / (4 + 8 + 8 + 7 + 1 + 1 + 3 + 9).

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 48871096 and 48871105.

It is not an unprimeable number, because it can be changed into a prime (48871129) 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, 595949 + ... + 596030.

It is an arithmetic number, because the mean of its divisors is an integer number (12515790).

Almost surely, 2^48871139 is an apocalyptic number.

48871139 is a deficient number, since it is larger than the sum of its proper divisors (1192021).

48871139 is a wasteful number, since it uses less digits than its factorization.

48871139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192020.

The product of its digits is 48384, while the sum is 41.

The square root of 48871139 is about 6990.7895834448. The cubic root of 48871139 is about 365.6095126661.

The spelling of 48871139 in words is "forty-eight million, eight hundred seventy-one thousand, one hundred thirty-nine".