55005000005055 has 16 divisors (see below), whose sum is σ = 88011324334080. Its totient is φ = 29334891894048.

The previous prime is 55005000005051. The next prime is 55005000005069. The reversal of 55005000005055 is 55050000050055.

It is not a de Polignac number, because 55005000005055 - 2² = 55005000005051 is a prime.

It is a super-2 number, since 2×55005000005055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005000005051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68846367 + ... + 69640736.

It is an arithmetic number, because the mean of its divisors is an integer number (5500707770880).

Almost surely, 2^{55005000005055} is an apocalyptic number.

55005000005055 is a deficient number, since it is larger than the sum of its proper divisors (33006324329025).

55005000005055 is a wasteful number, since it uses less digits than its factorization.

55005000005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138513590.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55005000005055 in words is "fifty-five trillion, five billion, five thousand, fifty-five".