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55005550050500 = 2253715715871443
BaseRepresentation
bin11001000000110111110100…
…10001010111110011000100
321012202110221100200011112222
430200123322101113303010
524202202331303104000
6312553111214431512
714405006544012440
oct1440337221276304
9235673840604488
1055005550050500
11165877a5014745
12620453b502598
1324900025a329a
14d823d6115820
15655c4973aa85
hex3206fa457cc4

55005550050500 has 48 divisors (see below), whose sum is σ = 137293852934784. Its totient is φ = 18859045730400.

The previous prime is 55005550050491. The next prime is 55005550050511. The reversal of 55005550050500 is 505005550055.

It is a super-2 number, since 2×550055500505002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 7857932222 + ... + 7857939221.

It is an arithmetic number, because the mean of its divisors is an integer number (2860288602808).

Almost surely, 255005550050500 is an apocalyptic number.

55005550050500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005550050500 is an abundant number, since it is smaller than the sum of its proper divisors (82288302884284).

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

55005550050500 is a wasteful number, since it uses less digits than its factorization.

55005550050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715871469 (or 15715871457 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55005550050500 in words is "fifty-five trillion, five billion, five hundred fifty million, fifty thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 700 875 1750 3500 15715871443 31431742886 62863485772 78579357215 110011100101 157158714430 220022200202 314317428860 392896786075 440044400404 550055500505 785793572150 1100111001010 1571587144300 1964483930375 2200222002020 2750277502525 3928967860750 5500555005050 7857935721500 11001110010100 13751387512625 27502775025250 55005550050500