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55228588 = 2273189139
BaseRepresentation
bin1101001010101…
…1100010101100
310211220220101021
43102223202230
5103114303323
65251423524
71240302202
oct322534254
9124826337
1055228588
11291a2068
12165b4ba4
13b59924c
147499072
154cae05d
hex34ab8ac

55228588 has 12 divisors (see below), whose sum is σ = 97974520. Its totient is φ = 27235872.

The previous prime is 55228507. The next prime is 55228601. The reversal of 55228588 is 88582255.

55228588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 94278 + ... + 94861.

Almost surely, 255228588 is an apocalyptic number.

It is an amenable number.

55228588 is a deficient number, since it is larger than the sum of its proper divisors (42745932).

55228588 is a wasteful number, since it uses less digits than its factorization.

55228588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189216 (or 189214 counting only the distinct ones).

The product of its digits is 256000, while the sum is 43.

The square root of 55228588 is about 7431.5939070969. The cubic root of 55228588 is about 380.8213719821.

The spelling of 55228588 in words is "fifty-five million, two hundred twenty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 4 73 146 292 189139 378278 756556 13807147 27614294 55228588