555868153 has 2 divisors, whose sum is σ = 555868154. Its totient is φ = 555868152.

The previous prime is 555868151. The next prime is 555868171. The reversal of 555868153 is 351868555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533286649 + 22581504 = 23093^2 + 4752^2 .

It is a cyclic number.

It is not a de Polignac number, because 555868153 - 2¹ = 555868151 is a prime.

Together with 555868151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (555868151) 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, 277934076 + 277934077.

It is an arithmetic number, because the mean of its divisors is an integer number (277934077).

Almost surely, 2^555868153 is an apocalyptic number.

It is an amenable number.

555868153 is a deficient number, since it is larger than the sum of its proper divisors (1).

555868153 is an equidigital number, since it uses as much as digits as its factorization.

555868153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720000, while the sum is 46.

The square root of 555868153 is about 23576.8563001941. The cubic root of 555868153 is about 822.2248488520.

The spelling of 555868153 in words is "five hundred fifty-five million, eight hundred sixty-eight thousand, one hundred fifty-three".