5505556590409 has 4 divisors (see below), whose sum is σ = 5505688815120. Its totient is φ = 5505424365700.

The previous prime is 5505556590407. The next prime is 5505556590427. The reversal of 5505556590409 is 9040956555055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5505556590409 - 2¹ = 5505556590407 is a prime.

It is a super-2 number, since 2×5505556590409² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505556590407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66049879 + ... + 66133180.

It is an arithmetic number, because the mean of its divisors is an integer number (1376422203780).

Almost surely, 2^{5505556590409} is an apocalyptic number.

It is an amenable number.

5505556590409 is a deficient number, since it is larger than the sum of its proper divisors (132224711).

5505556590409 is a wasteful number, since it uses less digits than its factorization.

5505556590409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132224710.

The product of its (nonzero) digits is 30375000, while the sum is 58.

The spelling of 5505556590409 in words is "five trillion, five hundred five billion, five hundred fifty-six million, five hundred ninety thousand, four hundred nine".