55505505500506 has 8 divisors (see below), whose sum is σ = 83274415506324. Its totient is φ = 27747366998400.

The previous prime is 55505505500503. The next prime is 55505505500519. The reversal of 55505505500506 is 60500550550555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55376800350481 + 128705150025 = 7441559^2 + 358755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55505505500506² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55505505500503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692863045 + ... + 2692883656.

Almost surely, 2^{55505505500506} is an apocalyptic number.

55505505500506 is a deficient number, since it is larger than the sum of its proper divisors (27768910005818).

55505505500506 is a wasteful number, since it uses less digits than its factorization.

55505505500506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385751856.

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 55505505500506 in words is "fifty-five trillion, five hundred five billion, five hundred five million, five hundred thousand, five hundred six".