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55434454300 = 22525315596709
BaseRepresentation
bin110011101000001001…
…101010010100011100
312022002022201001110001
4303220021222110130
51402012210014200
641244412424044
74001501041561
oct635011522434
9168068631401
1055434454300
1121567338aa5
12a8b0a78024
1352c5914464
14297c3a4868
151696a1876a
hexce826a51c

55434454300 has 72 divisors (see below), whose sum is σ = 122659336800. Its totient is φ = 21738213120.

The previous prime is 55434454291. The next prime is 55434454307. The reversal of 55434454300 is 345443455.

It is a self number, because there is not a number n which added to its sum of digits gives 55434454300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434454307) 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, 8259346 + ... + 8266054.

It is an arithmetic number, because the mean of its divisors is an integer number (1703601900).

Almost surely, 255434454300 is an apocalyptic number.

55434454300 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 55434454300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61329668400).

55434454300 is an abundant number, since it is smaller than the sum of its proper divisors (67224882500).

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

55434454300 is a wasteful number, since it uses less digits than its factorization.

55434454300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 55434454300 its reverse (345443455), we get a palindrome (55779897755).

The spelling of 55434454300 in words is "fifty-five billion, four hundred thirty-four million, four hundred fifty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 530 1060 1325 1559 2650 3118 5300 6236 6709 7795 13418 15590 26836 31180 33545 38975 67090 77950 82627 134180 155900 165254 167725 330508 335450 355577 413135 670900 711154 826270 1422308 1652540 1777885 2065675 3555770 4131350 7111540 8262700 8889425 10459331 17778850 20918662 35557700 41837324 52296655 104593310 209186620 261483275 522966550 554344543 1045933100 1108689086 2217378172 2771722715 5543445430 11086890860 13858613575 27717227150 55434454300