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55485184 = 281931123
BaseRepresentation
bin1101001110101…
…0001100000000
310212101221100211
43103222030000
5103201011214
65301123504
71242421246
oct323521400
9125357324
1055485184
1129357927
12166b9594
13b658c91
147524796
154d100c4
hex34ea300

55485184 has 36 divisors (see below), whose sum is σ = 111426616. Its totient is φ = 27574272.

The previous prime is 55485169. The next prime is 55485191. The reversal of 55485184 is 48158455.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48847 + ... + 49969.

Almost surely, 255485184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55485184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55713308).

55485184 is an abundant number, since it is smaller than the sum of its proper divisors (55941432).

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

55485184 is a wasteful number, since it uses less digits than its factorization.

55485184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1318 counting only the distinct ones).

The product of its digits is 128000, while the sum is 40.

The square root of 55485184 is about 7448.8377616914. The cubic root of 55485184 is about 381.4102354671.

The spelling of 55485184 in words is "fifty-five million, four hundred eighty-five thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 193 256 386 772 1123 1544 2246 3088 4492 6176 8984 12352 17968 24704 35936 49408 71872 143744 216739 287488 433478 866956 1733912 3467824 6935648 13871296 27742592 55485184