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55028448 = 2532191071
BaseRepresentation
bin1101000111101…
…0101011100000
310211112201211200
43101322223200
5103041402243
65243241200
71235506536
oct321725340
9124481750
1055028448
1129075762
1216519200
13b529117
147446156
154c6ead3
hex347aae0

55028448 has 36 divisors (see below), whose sum is σ = 156487968. Its totient is φ = 18342720.

The previous prime is 55028429. The next prime is 55028453. The reversal of 55028448 is 84482055.

55028448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95248 + ... + 95823.

It is an arithmetic number, because the mean of its divisors is an integer number (4346888).

Almost surely, 255028448 is an apocalyptic number.

It is an amenable number.

55028448 is an abundant number, since it is smaller than the sum of its proper divisors (101459520).

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

55028448 is a wasteful number, since it uses less digits than its factorization.

55028448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191087 (or 191076 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 55028448 is about 7418.1162029184. The cubic root of 55028448 is about 380.3608022848.

The spelling of 55028448 in words is "fifty-five million, twenty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 191071 382142 573213 764284 1146426 1528568 1719639 2292852 3057136 3439278 4585704 6114272 6878556 9171408 13757112 18342816 27514224 55028448