48871441 has 4 divisors (see below), whose sum is σ = 48886272. Its totient is φ = 48856612.

The previous prime is 48871429. The next prime is 48871451. The reversal of 48871441 is 14417884.

48871441 is a nontrivial binomial coefficient, being equal to C(9887, 2).

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, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-48871441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48871441.

It is not an unprimeable number, because it can be changed into a prime (48871421) 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, 1 + ... + 9886.

It is an arithmetic number, because the mean of its divisors is an integer number (12221568).

Almost surely, 2^48871441 is an apocalyptic number.

48871441 is the 9886-th triangular number.

48871441 is the 3296-th centered nonagonal number.

It is an amenable number.

48871441 is a deficient number, since it is larger than the sum of its proper divisors (14831).

48871441 is an equidigital number, since it uses as much as digits as its factorization.

48871441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830.

The product of its digits is 28672, while the sum is 37.

The square root of 48871441 is about 6990.8111832605. The cubic root of 48871441 is about 365.6102657612.

It can be divided in two parts, 4887 and 1441, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 48871441 in words is "forty-eight million, eight hundred seventy-one thousand, four hundred forty-one".