555620229 has 24 divisors (see below), whose sum is σ = 850012800. Its totient is φ = 362524896.

The previous prime is 555620203. The next prime is 555620239. The reversal of 555620229 is 922026555.

555620229 is a `hidden beast` number, since 5 + 5 + 5 + 620 + 2 + 29 = 666.

It is not a de Polignac number, because 555620229 - 2⁷ = 555620101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555620193 and 555620202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555620239) 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 in 23 ways as a sum of consecutive naturals, for example, 12904 + ... + 35745.

It is an arithmetic number, because the mean of its divisors is an integer number (35417200).

Almost surely, 2^555620229 is an apocalyptic number.

It is an amenable number.

555620229 is a deficient number, since it is larger than the sum of its proper divisors (294392571).

555620229 is an equidigital number, since it uses as much as digits as its factorization.

555620229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48711 (or 48699 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 555620229 is about 23571.5979305604. The cubic root of 555620229 is about 822.1025898916.

The spelling of 555620229 in words is "five hundred fifty-five million, six hundred twenty thousand, two hundred twenty-nine".