5605505631 has 24 divisors (see below), whose sum is σ = 8835265920. Its totient is φ = 3396373200.

The previous prime is 5605505573. The next prime is 5605505639. The reversal of 5605505631 is 1365055065.

5605505631 is a `hidden beast` number, since 56 + 0 + 550 + 56 + 3 + 1 = 666.

5605505631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5605505631 - 2¹⁷ = 5605374559 is a prime.

It is a super-2 number, since 2×5605505631² = 62843386758345416322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605505639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734646 + ... + 742236.

It is an arithmetic number, because the mean of its divisors is an integer number (368136080).

Almost surely, 2^5605505631 is an apocalyptic number.

5605505631 is a deficient number, since it is larger than the sum of its proper divisors (3229760289).

5605505631 is a wasteful number, since it uses less digits than its factorization.

5605505631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067 (or 15064 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 5605505631 is about 74869.9247428498. The cubic root of 5605505631 is about 1776.3897737995.

The spelling of 5605505631 in words is "five billion, six hundred five million, five hundred five thousand, six hundred thirty-one".