555766351601 has 2 divisors, whose sum is σ = 555766351602. Its totient is φ = 555766351600.

The previous prime is 555766351541. The next prime is 555766351607. The reversal of 555766351601 is 106153667555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448932160576 + 106834191025 = 670024^2 + 326855^2 .

It is a cyclic number.

It is not a de Polignac number, because 555766351601 - 2¹⁴ = 555766335217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555766351601.

It is not a weakly prime, because it can be changed into another prime (555766351607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277883175800 + 277883175801.

It is an arithmetic number, because the mean of its divisors is an integer number (277883175801).

Almost surely, 2^555766351601 is an apocalyptic number.

It is an amenable number.

555766351601 is a deficient number, since it is larger than the sum of its proper divisors (1).

555766351601 is an equidigital number, since it uses as much as digits as its factorization.

555766351601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835000, while the sum is 50.

The spelling of 555766351601 in words is "five hundred fifty-five billion, seven hundred sixty-six million, three hundred fifty-one thousand, six hundred one".