5666551453 has 2 divisors, whose sum is σ = 5666551454. Its totient is φ = 5666551452.

The previous prime is 5666551447. The next prime is 5666551459. The reversal of 5666551453 is 3541556665.

It is a balanced prime because it is at equal distance from previous prime (5666551447) and next prime (5666551459).

It can be written as a sum of positive squares in only one way, i.e., 4373573689 + 1292977764 = 66133^2 + 35958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666551453 is a prime.

It is a super-3 number, since 3×5666551453³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is the 75277-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666551459) by changing a digit.

It is a nontrivial repunit in base 75276.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833275726 + 2833275727.

It is an arithmetic number, because the mean of its divisors is an integer number (2833275727).

Almost surely, 2^5666551453 is an apocalyptic number.

It is an amenable number.

5666551453 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666551453 is an equidigital number, since it uses as much as digits as its factorization.

5666551453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 46.

The square root of 5666551453 is about 75276.5000049816. The cubic root of 5666551453 is about 1782.8149976227.

The spelling of 5666551453 in words is "five billion, six hundred sixty-six million, five hundred fifty-one thousand, four hundred fifty-three".