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5455984998025 = 522928921812
BaseRepresentation
bin100111101100101001000…
…0011000011011010001001
3201022120211222100001212101
41033121102003003122021
51203342324124414100
615334240033313401
71102116252202552
oct117312203033211
921276758301771
105455984998025
111813963326571
127414a6405861
133076603b7873
1414c0dd0a1329
1596dc913286a
hex4f6520c3689

5455984998025 has 81 divisors (see below), whose sum is σ = 7125735977373. Its totient is φ = 4143904934400.

The previous prime is 5455984998011. The next prime is 5455984998029. The reversal of 5455984998025 is 5208994895545.

The square root of 5455984998025 is 2335805.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 40 ways, for example, as 995119968249 + 4460865029776 = 997557^2 + 2112076^2 .

It is a de Polignac number, because none of the positive numbers 2k-5455984998025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5455984998029) 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 80 ways as a sum of consecutive naturals, for example, 30143563435 + ... + 30143563615.

Almost surely, 25455984998025 is an apocalyptic number.

5455984998025 is the 2335805-th square number.

5455984998025 is the 1167903-rd centered octagonal number.

It is an amenable number.

5455984998025 is a deficient number, since it is larger than the sum of its proper divisors (1669750979348).

5455984998025 is an frugal number, since it uses more digits than its factorization.

5455984998025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 933120000, while the sum is 73.

The spelling of 5455984998025 in words is "five trillion, four hundred fifty-five billion, nine hundred eighty-four million, nine hundred ninety-eight thousand, twenty-five".

Divisors: 1 5 25 29 89 145 181 445 725 841 905 2225 2581 4205 4525 5249 7921 12905 16109 21025 26245 32761 39605 64525 74849 80545 131225 152221 163805 198025 229709 374245 402725 467161 761105 819025 950069 1148545 1433701 1871225 2335805 2915729 3805525 4750345 5742725 6661561 7168505 11679025 13547669 14578645 23751725 27552001 33307805 35842525 41577329 67738345 72893225 84556141 137760005 166539025 207886645 259499881 338691725 422780705 688800025 1039433225 1205742541 1297499405 2113903525 2452128089 6028712705 6487497025 7525496549 12260640445 30143563525 37627482745 61303202225 188137413725 218239399921 1091196999605 5455984998025