555844481 has 2 divisors, whose sum is σ = 555844482. Its totient is φ = 555844480.

The previous prime is 555844433. The next prime is 555844501. The reversal of 555844481 is 184448555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514563856 + 41280625 = 22684^2 + 6425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555844481 is a prime.

It is a super-2 number, since 2×555844481² = 617926174116318722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555844781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277922240 + 277922241.

It is an arithmetic number, because the mean of its divisors is an integer number (277922241).

Almost surely, 2^555844481 is an apocalyptic number.

It is an amenable number.

555844481 is a deficient number, since it is larger than the sum of its proper divisors (1).

555844481 is an equidigital number, since it uses as much as digits as its factorization.

555844481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512000, while the sum is 44.

The square root of 555844481 is about 23576.3542771142. The cubic root of 555844481 is about 822.2131770297.

The spelling of 555844481 in words is "five hundred fifty-five million, eight hundred forty-four thousand, four hundred eighty-one".