55500505555005 has 80 divisors (see below), whose sum is σ = 113936101466880. Its totient is φ = 25319561188608.

The previous prime is 55500505554941. The next prime is 55500505555009. The reversal of 55500505555005 is 50055550500555.

55500505555005 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55500505555005 - 2⁶ = 55500505554941 is a prime.

It is a super-2 number, since 2×55500505555005² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500505555009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18718840 + ... + 21480129.

It is an arithmetic number, because the mean of its divisors is an integer number (1424201268336).

Almost surely, 2^{55500505555005} is an apocalyptic number.

It is an amenable number.

55500505555005 is an abundant number, since it is smaller than the sum of its proper divisors (58435595911875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55500505555005 is a wasteful number, since it uses less digits than its factorization.

55500505555005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40199480 (or 40199471 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 55500505555005 in words is "fifty-five trillion, five hundred billion, five hundred five million, five hundred fifty-five thousand, five".