55005055550500 has 96 divisors (see below), whose sum is σ = 131075863027200. Its totient is φ = 19998203168000.

The previous prime is 55005055550477. The next prime is 55005055550521. The reversal of 55005055550500 is 505555050055.

It is a super-2 number, since 2×55005055550500² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29448456 + ... + 31260544.

It is an arithmetic number, because the mean of its divisors is an integer number (1365373573200).

Almost surely, 2^{55005055550500} is an apocalyptic number.

55005055550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55005055550500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65537931513600).

55005055550500 is an abundant number, since it is smaller than the sum of its proper divisors (76070807476700).

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

55005055550500 is a wasteful number, since it uses less digits than its factorization.

55005055550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817638 (or 1817626 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

It can be divided in two parts, 550050555 and 50500, that added together give a palindrome (550101055).

The spelling of 55005055550500 in words is "fifty-five trillion, five billion, fifty-five million, five hundred fifty thousand, five hundred".