5055555505501 has 2 divisors, whose sum is σ = 5055555505502. Its totient is φ = 5055555505500.

The previous prime is 5055555505499. The next prime is 5055555505513. The reversal of 5055555505501 is 1055055555505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5009136372100 + 46419133401 = 2238110^2 + 215451^2 .

It is a cyclic number.

It is not a de Polignac number, because 5055555505501 - 2¹ = 5055555505499 is a prime.

It is a super-2 number, since 2×5055555505501² (a number of 26 digits) contains 22 as substring.

Together with 5055555505499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5055555505571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527777752750 + 2527777752751.

It is an arithmetic number, because the mean of its divisors is an integer number (2527777752751).

Almost surely, 2^{5055555505501} is an apocalyptic number.

It is an amenable number.

5055555505501 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055555505501 is an equidigital number, since it uses as much as digits as its factorization.

5055555505501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 5055555505501 in words is "five trillion, fifty-five billion, five hundred fifty-five million, five hundred five thousand, five hundred one".