5655040231 has 2 divisors, whose sum is σ = 5655040232. Its totient is φ = 5655040230.

The previous prime is 5655040229. The next prime is 5655040273. The reversal of 5655040231 is 1320405565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5655040231 - 2¹ = 5655040229 is a prime.

It is a super-2 number, since 2×5655040231² = 63958960028457066722, which contains 22 as substring.

Together with 5655040229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5655040193 and 5655040202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5655040211) 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 as a sum of consecutive naturals, namely, 2827520115 + 2827520116.

It is an arithmetic number, because the mean of its divisors is an integer number (2827520116).

Almost surely, 2^5655040231 is an apocalyptic number.

5655040231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655040231 is an equidigital number, since it uses as much as digits as its factorization.

5655040231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5655040231 is about 75200.0015359042. The cubic root of 5655040231 is about 1781.6069559114.

Adding to 5655040231 its reverse (1320405565), we get a palindrome (6975445796).

The spelling of 5655040231 in words is "five billion, six hundred fifty-five million, forty thousand, two hundred thirty-one".