555998801 has 2 divisors, whose sum is σ = 555998802. Its totient is φ = 555998800.

The previous prime is 555998791. The next prime is 555998819. The reversal of 555998801 is 108899555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483340225 + 72658576 = 21985^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 555998801 - 2¹⁴ = 555982417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555998801.

It is not a weakly prime, because it can be changed into another prime (557998801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277999400 + 277999401.

It is an arithmetic number, because the mean of its divisors is an integer number (277999401).

Almost surely, 2^555998801 is an apocalyptic number.

It is an amenable number.

555998801 is a deficient number, since it is larger than the sum of its proper divisors (1).

555998801 is an equidigital number, since it uses as much as digits as its factorization.

555998801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 50.

The square root of 555998801 is about 23579.6268206263. The cubic root of 555998801 is about 822.2892607793.

The spelling of 555998801 in words is "five hundred fifty-five million, nine hundred ninety-eight thousand, eight hundred one".