555143401 has 2 divisors, whose sum is σ = 555143402. Its totient is φ = 555143400.

The previous prime is 555143399. The next prime is 555143417. The reversal of 555143401 is 104341555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552250000 + 2893401 = 23500^2 + 1701^2 .

It is a cyclic number.

It is not a de Polignac number, because 555143401 - 2¹ = 555143399 is a prime.

Together with 555143399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 555143401.

It is not a weakly prime, because it can be changed into another prime (555140401) 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, 277571700 + 277571701.

It is an arithmetic number, because the mean of its divisors is an integer number (277571701).

Almost surely, 2^555143401 is an apocalyptic number.

It is an amenable number.

555143401 is a deficient number, since it is larger than the sum of its proper divisors (1).

555143401 is an equidigital number, since it uses as much as digits as its factorization.

555143401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 555143401 is about 23561.4812989336. The cubic root of 555143401 is about 821.8673490418.

Adding to 555143401 its reverse (104341555), we get a palindrome (659484956).

The spelling of 555143401 in words is "five hundred fifty-five million, one hundred forty-three thousand, four hundred one".