55305005305000 has 80 divisors (see below), whose sum is σ = 141359593700160. Its totient is φ = 20110911000000.

The previous prime is 55305005304961. The next prime is 55305005305001. The reversal of 55305005305000 is 50350050355.

It is a super-2 number, since 2×55305005305000² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55305005305001) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 502717776 + ... + 502827775.

It is an arithmetic number, because the mean of its divisors is an integer number (1766994921252).

Almost surely, 2^{55305005305000} is an apocalyptic number.

55305005305000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55305005305000 is an abundant number, since it is smaller than the sum of its proper divisors (86054588395160).

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

55305005305000 is a wasteful number, since it uses less digits than its factorization.

55305005305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005545588 (or 1005545569 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 31.

Adding to 55305005305000 its reverse (50350050355), we get a palindrome (55355355355355).

The spelling of 55305005305000 in words is "fifty-five trillion, three hundred five billion, five million, three hundred five thousand".