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55713707800 = 23521373835309
BaseRepresentation
bin110011111000110010…
…111011011100011000
312022210210011121020021
4303320302323130120
51403100202122200
641332230040224
74011431462662
oct637062733430
9168723147207
1055713707800
112169aa32313
12a96a4a9074
13533b72a10a
1429a74d7532
1516b12ca41a
hexcf8cbb718

55713707800 has 96 divisors (see below), whose sum is σ = 130845196800. Its totient is φ = 22060897280.

The previous prime is 55713707741. The next prime is 55713707801. The reversal of 55713707800 is 870731755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55713707801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10491546 + ... + 10496854.

It is an arithmetic number, because the mean of its divisors is an integer number (1362970800).

Almost surely, 255713707800 is an apocalyptic number.

55713707800 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 55713707800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65422598400).

55713707800 is an abundant number, since it is smaller than the sum of its proper divisors (75131489000).

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

55713707800 is a wasteful number, since it uses less digits than its factorization.

55713707800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845 (or 5836 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 55713707800 in words is "fifty-five billion, seven hundred thirteen million, seven hundred seven thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 137 200 274 383 548 685 766 1096 1370 1532 1915 2740 3064 3425 3830 5309 5480 6850 7660 9575 10618 13700 15320 19150 21236 26545 27400 38300 42472 52471 53090 76600 104942 106180 132725 209884 212360 262355 265450 419768 524710 530900 727333 1049420 1061800 1311775 1454666 2033347 2098840 2623550 2909332 3636665 4066694 5247100 5818664 7273330 8133388 10166735 10494200 14546660 16266776 18183325 20333470 29093320 36366650 40666940 50833675 72733300 81333880 101667350 145466600 203334700 278568539 406669400 557137078 1114274156 1392842695 2228548312 2785685390 5571370780 6964213475 11142741560 13928426950 27856853900 55713707800