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55354000 = 2453132129
BaseRepresentation
bin1101001100101…
…0001010010000
310212011021102011
43103022022100
5103132312000
65254232304
71241333632
oct323121220
9125137364
1055354000
1129278309
1216655694
13b611360
1474cca52
154cd62ba
hex34ca290

55354000 has 80 divisors (see below), whose sum is σ = 144209520. Its totient is φ = 20428800.

The previous prime is 55353997. The next prime is 55354001. The reversal of 55354000 is 45355.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 35569296 + 19784704 = 5964^2 + 4448^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55354001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24936 + ... + 27064.

It is an arithmetic number, because the mean of its divisors is an integer number (1802619).

Almost surely, 255354000 is an apocalyptic number.

55354000 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 55354000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72104760).

55354000 is an abundant number, since it is smaller than the sum of its proper divisors (88855520).

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

55354000 is a wasteful number, since it uses less digits than its factorization.

55354000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55354000 is about 7440.0268816719. The cubic root of 55354000 is about 381.1094079835.

Adding to 55354000 its reverse (45355), we get a palindrome (55399355).

The spelling of 55354000 in words is "fifty-five million, three hundred fifty-four thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 650 1000 1040 1300 1625 2000 2129 2600 3250 4258 5200 6500 8516 10645 13000 17032 21290 26000 27677 34064 42580 53225 55354 85160 106450 110708 138385 170320 212900 221416 266125 276770 425800 442832 532250 553540 691925 851600 1064500 1107080 1383850 2129000 2214160 2767700 3459625 4258000 5535400 6919250 11070800 13838500 27677000 55354000