5281805655 has 24 divisors (see below), whose sum is σ = 10463006112. Its totient is φ = 2414539584.

The previous prime is 5281805653. The next prime is 5281805657. The reversal of 5281805655 is 5565081825.

5281805655 is a `hidden beast` number, since 5 + 2 + 8 + 1 + 80 + 565 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (5281805653) and next prime (5281805657).

It is not a de Polignac number, because 5281805655 - 2¹ = 5281805653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5281805655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281805651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8383504 + ... + 8384133.

It is an arithmetic number, because the mean of its divisors is an integer number (435958588).

Almost surely, 2^5281805655 is an apocalyptic number.

5281805655 is a deficient number, since it is larger than the sum of its proper divisors (5181200457).

5281805655 is a wasteful number, since it uses less digits than its factorization.

5281805655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767655 (or 16767652 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The square root of 5281805655 is about 72676.0321908124. The cubic root of 5281805655 is about 1741.5160142680.

The spelling of 5281805655 in words is "five billion, two hundred eighty-one million, eight hundred five thousand, six hundred fifty-five".