555600005551 has 2 divisors, whose sum is σ = 555600005552. Its totient is φ = 555600005550.

The previous prime is 555600005509. The next prime is 555600005647. The reversal of 555600005551 is 155500006555.

555600005551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555600005551 - 2¹¹ = 555600003503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555600005551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555600005501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277800002775 + 277800002776.

It is an arithmetic number, because the mean of its divisors is an integer number (277800002776).

Almost surely, 2^555600005551 is an apocalyptic number.

555600005551 is a deficient number, since it is larger than the sum of its proper divisors (1).

555600005551 is an equidigital number, since it uses as much as digits as its factorization.

555600005551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 555600005551 in words is "five hundred fifty-five billion, six hundred million, five thousand, five hundred fifty-one".