5653686551 has 2 divisors, whose sum is σ = 5653686552. Its totient is φ = 5653686550.

The previous prime is 5653686457. The next prime is 5653686589. The reversal of 5653686551 is 1556863565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5653686551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5653686551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5653656551) 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 as a sum of consecutive naturals, namely, 2826843275 + 2826843276.

It is an arithmetic number, because the mean of its divisors is an integer number (2826843276).

Almost surely, 2^5653686551 is an apocalyptic number.

5653686551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5653686551 is an equidigital number, since it uses as much as digits as its factorization.

5653686551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 50.

The square root of 5653686551 is about 75191.0004654812. Note that the first 3 decimals coincide. The cubic root of 5653686551 is about 1781.4647866802.

The spelling of 5653686551 in words is "five billion, six hundred fifty-three million, six hundred eighty-six thousand, five hundred fifty-one".