5648875281 has 45 divisors (see below), whose sum is σ = 9824383371. Its totient is φ = 3225223008.

The previous prime is 5648875231. The next prime is 5648875283. The reversal of 5648875281 is 1825788465.

The square root of 5648875281 is 75159.

It is a perfect power (a square), and thus also a powerful number.

5648875281 is a `hidden beast` number, since 564 + 8 + 8 + 75 + 2 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2901438225 + 2747437056 = 53865^2 + 52416^2 .

It is not a de Polignac number, because 5648875281 - 2⁷ = 5648875153 is a prime.

It is a super-2 number, since 2×5648875281² = 63819583880585657922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5648875283) 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 44 ways as a sum of consecutive naturals, for example, 4734421 + ... + 4735613.

Almost surely, 2^5648875281 is an apocalyptic number.

5648875281 is the 75159-th square number.

5648875281 is the 37580-th centered octagonal number.

It is an amenable number.

5648875281 is a deficient number, since it is larger than the sum of its proper divisors (4175508090).

5648875281 is an frugal number, since it uses more digits than its factorization.

5648875281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 1203 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The cubic root of 5648875281 is about 1780.9593028992.

It can be divided in two parts, 56488 and 75281, that added together give a square (131769 = 363²).

The spelling of 5648875281 in words is "five billion, six hundred forty-eight million, eight hundred seventy-five thousand, two hundred eighty-one".