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55029288 = 2332292887
BaseRepresentation
bin1101000111101…
…0111000101000
310211112202222210
43101322320220
5103041414123
65243245120
71235512146
oct321727050
9124482883
1055029288
1129076356
12165197a0
13b529612
147446596
154c6ee93
hex347ae28

55029288 has 16 divisors (see below), whose sum is σ = 137573280. Its totient is φ = 18343088.

The previous prime is 55029287. The next prime is 55029307. The reversal of 55029288 is 88292055.

55029288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55029281) by changing a digit.

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, 1146420 + ... + 1146467.

It is an arithmetic number, because the mean of its divisors is an integer number (8598330).

Almost surely, 255029288 is an apocalyptic number.

It is an amenable number.

55029288 is an abundant number, since it is smaller than the sum of its proper divisors (82543992).

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

55029288 is a wasteful number, since it uses less digits than its factorization.

55029288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292896 (or 2292892 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 55029288 is about 7418.1728208502. The cubic root of 55029288 is about 380.3627376562.

The spelling of 55029288 in words is "fifty-five million, twenty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 2292887 4585774 6878661 9171548 13757322 18343096 27514644 55029288