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55055500550500 = 2253523210537287
BaseRepresentation
bin11001000010010100110111…
…00011011010000101100100
321012221020212111100110221111
430201022123203122011210
524204012131120104000
6313032051531154404
714411425425162352
oct1441123343320544
9235836774313844
1055055500550500
11165a69a78486aa
12621215b8a5a04
132494933001368
14d849b403c7d2
156571beaa3cba
hex32129b8da164

55055500550500 has 48 divisors (see below), whose sum is σ = 120471120491904. Its totient is φ = 21980092658400.

The previous prime is 55055500550459. The next prime is 55055500550629. The reversal of 55055500550500 is 505500555055.

It is a super-2 number, since 2×550555005505002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105007144 + ... + 105530143.

It is an arithmetic number, because the mean of its divisors is an integer number (2509815010248).

Almost surely, 255055500550500 is an apocalyptic number.

55055500550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55055500550500 is an abundant number, since it is smaller than the sum of its proper divisors (65415619941404).

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

55055500550500 is a wasteful number, since it uses less digits than its factorization.

55055500550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210537829 (or 210537817 counting only the distinct ones).

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

The spelling of 55055500550500 in words is "fifty-five trillion, fifty-five billion, five hundred million, five hundred fifty thousand, five hundred".