Search a number
-
+
55055305523530 = 25132197719270253
BaseRepresentation
bin11001000010010100011111…
…11011011100000101001010
321012221020100220101002020101
430201022033323130011022
524204011231203223110
6313032020323120014
714411420536366534
oct1441121773340512
9235836326332211
1055055305523530
11165a6907751a94
12621210651300a
1324949017987a0
14d84996192854
156571ac8cd13a
hex32128fedc14a

55055305523530 has 32 divisors (see below), whose sum is σ = 106727453887824. Its totient is φ = 20327186781696.

The previous prime is 55055305523473. The next prime is 55055305523551. The reversal of 55055305523530 is 3532550355055.

It can be written as a sum of positive squares in 8 ways, for example, as 22327146475921 + 32728159047609 = 4725161^2 + 5720853^2 .

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, 6778117 + ... + 12492136.

Almost surely, 255055305523530 is an apocalyptic number.

55055305523530 is a deficient number, since it is larger than the sum of its proper divisors (51672148364294).

55055305523530 is a wasteful number, since it uses less digits than its factorization.

55055305523530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292250.

The product of its (nonzero) digits is 4218750, while the sum is 46.

Adding to 55055305523530 its reverse (3532550355055), we get a palindrome (58587855878585).

The spelling of 55055305523530 in words is "fifty-five trillion, fifty-five billion, three hundred five million, five hundred twenty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 21977 43954 109885 219770 285701 571402 1428505 2857010 19270253 38540506 96351265 192702530 250513289 501026578 1252566445 2505132890 423502350181 847004700362 2117511750905 4235023501810 5505530552353 11011061104706 27527652761765 55055305523530