555666541 has 8 divisors (see below), whose sum is σ = 558444600. Its totient is φ = 552894720.

The previous prime is 555666523. The next prime is 555666547. The reversal of 555666541 is 145666555.

555666541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 457061641 + 98604900 = 21379^2 + 9930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555666541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555666547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344545 + ... + 346153.

It is an arithmetic number, because the mean of its divisors is an integer number (69805575).

Almost surely, 2^555666541 is an apocalyptic number.

It is an amenable number.

555666541 is a deficient number, since it is larger than the sum of its proper divisors (2778059).

555666541 is a wasteful number, since it uses less digits than its factorization.

555666541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its digits is 540000, while the sum is 43.

The square root of 555666541 is about 23572.5802787900. The cubic root of 555666541 is about 822.1254305271.

The spelling of 555666541 in words is "five hundred fifty-five million, six hundred sixty-six thousand, five hundred forty-one".