555500440049 has 2 divisors, whose sum is σ = 555500440050. Its totient is φ = 555500440048.

The previous prime is 555500440013. The next prime is 555500440067. The reversal of 555500440049 is 940044005555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497881238449 + 57619201600 = 705607^2 + 240040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555500440049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555500439988 and 555500440015.

It is not a weakly prime, because it can be changed into another prime (555500440069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277750220024 + 277750220025.

It is an arithmetic number, because the mean of its divisors is an integer number (277750220025).

Almost surely, 2^555500440049 is an apocalyptic number.

It is an amenable number.

555500440049 is a deficient number, since it is larger than the sum of its proper divisors (1).

555500440049 is an equidigital number, since it uses as much as digits as its factorization.

555500440049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 555500440049 in words is "five hundred fifty-five billion, five hundred million, four hundred forty thousand, forty-nine".