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55653528100 = 22523127612
BaseRepresentation
bin110011110101001101…
…010111001000100100
312022122120221011012111
4303311031113020210
51402434300344400
641322240130404
74010101116652
oct636515271044
9168576834174
1055653528100
1121669a69425
12a952306a04
13532c119421
14299d50ddd2
1516aad8e3ba
hexcf5357224

55653528100 has 81 divisors (see below), whose sum is σ = 124953768723. Its totient is φ = 21514992000.

The previous prime is 55653528067. The next prime is 55653528109. The reversal of 55653528100 is 182535655.

The square root of 55653528100 is 235910.

It is a perfect power (a square), and thus also a powerful number.

55653528100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32842863076 + 22810665024 = 181226^2 + 151032^2 .

It is a super-2 number, since 2×556535281002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55653528109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 73131720 + ... + 73132480.

Almost surely, 255653528100 is an apocalyptic number.

55653528100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55653528100 is the 235910-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55653528100

55653528100 is an abundant number, since it is smaller than the sum of its proper divisors (69300240623).

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

55653528100 is an equidigital number, since it uses as much as digits as its factorization.

55653528100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 55653528100 in words is "fifty-five billion, six hundred fifty-three million, five hundred twenty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 761 775 961 1522 1550 1922 3044 3100 3805 3844 4805 7610 9610 15220 19025 19220 23591 24025 38050 47182 48050 76100 94364 96100 117955 235910 471820 579121 589775 731321 1158242 1179550 1462642 2316484 2359100 2895605 2925284 3656605 5791210 7313210 11582420 14478025 14626420 17952751 18283025 28956050 35905502 36566050 57912100 71811004 73132100 89763755 179527510 359055020 448818775 556535281 897637550 1113070562 1795275100 2226141124 2782676405 5565352810 11130705620 13913382025 27826764050 55653528100