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54897289250 = 253219589157
BaseRepresentation
bin110011001000001000…
…100010100000100010
312020200212221020112012
4303020020202200202
51344412201224000
641115223232522
73652256154656
oct631010424042
9166625836465
1054897289250
11213110a7a41
12a780ba8742
13523b54900b
14292acd6a66
1516647ad735
hexcc8222822

54897289250 has 16 divisors (see below), whose sum is σ = 102767725944. Its totient is φ = 21958915600.

The previous prime is 54897289229. The next prime is 54897289289. The reversal of 54897289250 is 5298279845.

It can be written as a sum of positive squares in 4 ways, for example, as 25549145281 + 29348143969 = 159841^2 + 171313^2 .

It is a super-3 number, since 3×548972892503 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54897289250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109794329 + ... + 109794828.

Almost surely, 254897289250 is an apocalyptic number.

54897289250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54897289250 is a deficient number, since it is larger than the sum of its proper divisors (47870436694).

54897289250 is a wasteful number, since it uses less digits than its factorization.

54897289250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219589174 (or 219589164 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 54897289250 in words is "fifty-four billion, eight hundred ninety-seven million, two hundred eighty-nine thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 219589157 439178314 1097945785 2195891570 5489728925 10979457850 27448644625 54897289250