48851281 has 4 divisors (see below), whose sum is σ = 48915252. Its totient is φ = 48787312.

The previous prime is 48851279. The next prime is 48851291. The reversal of 48851281 is 18215884.

It is a happy number.

48851281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27920656 + 20930625 = 5284^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 48851281 - 2¹ = 48851279 is a prime.

It is a super-2 number, since 2×48851281² = 4772895310681922, which contains 22 as substring.

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 48851281.

It is not an unprimeable number, because it can be changed into a prime (48851291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30826 + ... + 32371.

It is an arithmetic number, because the mean of its divisors is an integer number (12228813).

Almost surely, 2^48851281 is an apocalyptic number.

It is an amenable number.

48851281 is a deficient number, since it is larger than the sum of its proper divisors (63971).

48851281 is an equidigital number, since it uses as much as digits as its factorization.

48851281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63970.

The product of its digits is 20480, while the sum is 37.

The square root of 48851281 is about 6989.3691417752. The cubic root of 48851281 is about 365.5599861123.

The spelling of 48851281 in words is "forty-eight million, eight hundred fifty-one thousand, two hundred eighty-one".