555045909601 has 2 divisors, whose sum is σ = 555045909602. Its totient is φ = 555045909600.

The previous prime is 555045909581. The next prime is 555045909629. The reversal of 555045909601 is 106909540555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548281011600 + 6764898001 = 740460^2 + 82249^2 .

It is a cyclic number.

It is not a de Polignac number, because 555045909601 - 2¹⁹ = 555045385313 is a prime.

It is not a weakly prime, because it can be changed into another prime (555045909631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277522954800 + 277522954801.

It is an arithmetic number, because the mean of its divisors is an integer number (277522954801).

Almost surely, 2^555045909601 is an apocalyptic number.

It is an amenable number.

555045909601 is a deficient number, since it is larger than the sum of its proper divisors (1).

555045909601 is an equidigital number, since it uses as much as digits as its factorization.

555045909601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 555045909601 in words is "five hundred fifty-five billion, forty-five million, nine hundred nine thousand, six hundred one".