555055601 has 2 divisors, whose sum is σ = 555055602. Its totient is φ = 555055600.

The previous prime is 555055597. The next prime is 555055603. The reversal of 555055601 is 106550555.

555055601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553378576 + 1677025 = 23524^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 555055601 - 2² = 555055597 is a prime.

Together with 555055603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555055603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277527800 + 277527801.

It is an arithmetic number, because the mean of its divisors is an integer number (277527801).

Almost surely, 2^555055601 is an apocalyptic number.

It is an amenable number.

555055601 is a deficient number, since it is larger than the sum of its proper divisors (1).

555055601 is an equidigital number, since it uses as much as digits as its factorization.

555055601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 555055601 is about 23559.6180147302. The cubic root of 555055601 is about 821.8240186413.

The spelling of 555055601 in words is "five hundred fifty-five million, fifty-five thousand, six hundred one".