55505000555 has 16 divisors (see below), whose sum is σ = 66773367360. Its totient is φ = 44292569088.

The previous prime is 55505000549. The next prime is 55505000611. The reversal of 55505000555 is 55500050555.

It is a cyclic number.

It is not a de Polignac number, because 55505000555 - 2¹⁶ = 55504935019 is a prime.

It is a super-2 number, since 2×55505000555² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3320699 + ... + 3337371.

It is an arithmetic number, because the mean of its divisors is an integer number (4173335460).

Almost surely, 2^55505000555 is an apocalyptic number.

55505000555 is a deficient number, since it is larger than the sum of its proper divisors (11268366805).

55505000555 is a wasteful number, since it uses less digits than its factorization.

55505000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55505000555 in words is "fifty-five billion, five hundred five million, five hundred fifty-five", and thus it is an aban number.