5555499999997 has 2 divisors, whose sum is σ = 5555499999998. Its totient is φ = 5555499999996.

The previous prime is 5555499999977. The next prime is 5555500000009. The reversal of 5555499999997 is 7999999945555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4766803256601 + 788696743396 = 2183301^2 + 888086^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555499999997 - 2¹⁵ = 5555499967229 is a prime.

It is a super-3 number, since 3×5555499999997³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555499999947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777749999998 + 2777749999999.

It is an arithmetic number, because the mean of its divisors is an integer number (2777749999999).

Almost surely, 2^{5555499999997} is an apocalyptic number.

It is an amenable number.

5555499999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555499999997 is an equidigital number, since it uses as much as digits as its factorization.

5555499999997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83701957500, while the sum is 94.

The spelling of 5555499999997 in words is "five trillion, five hundred fifty-five billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".