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54661100 = 225213192213
BaseRepresentation
bin1101000010000…
…0111111101100
310210212001221012
43100200333230
5102443123400
65231324352
71232416544
oct320407754
9123761835
1054661100
112894476a
12163806b8
13b42ab60
14738c324
154bead35
hex3420fec

54661100 has 72 divisors (see below), whose sum is σ = 134522640. Its totient is φ = 19111680.

The previous prime is 54661039. The next prime is 54661129. The reversal of 54661100 is 116645.

54661100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23594 + ... + 25806.

It is an arithmetic number, because the mean of its divisors is an integer number (1868370).

Almost surely, 254661100 is an apocalyptic number.

54661100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54661100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67261320).

54661100 is an abundant number, since it is smaller than the sum of its proper divisors (79861540).

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

54661100 is a wasteful number, since it uses less digits than its factorization.

54661100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 54661100 is about 7393.3145476167. The cubic root of 54661100 is about 379.5125328352.

Adding to 54661100 its reverse (116645), we get a palindrome (54777745).

The spelling of 54661100 in words is "fifty-four million, six hundred sixty-one thousand, one hundred".

Divisors: 1 2 4 5 10 13 19 20 25 26 38 50 52 65 76 95 100 130 190 247 260 325 380 475 494 650 950 988 1235 1300 1900 2213 2470 4426 4940 6175 8852 11065 12350 22130 24700 28769 42047 44260 55325 57538 84094 110650 115076 143845 168188 210235 221300 287690 420470 546611 575380 719225 840940 1051175 1093222 1438450 2102350 2186444 2733055 2876900 4204700 5466110 10932220 13665275 27330550 54661100