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55258032 = 2431151209
BaseRepresentation
bin1101001011001…
…0101110110000
310211222101202210
43102302232300
5103121224112
65252212120
71240454064
oct322625660
9124871683
1055258032
11292121a5
121660a040
13b5a977b
1474a5aa4
154cb7b3c
hex34b2bb0

55258032 has 20 divisors (see below), whose sum is σ = 142750040. Its totient is φ = 18419328.

The previous prime is 55258013. The next prime is 55258039. The reversal of 55258032 is 23085255.

55258032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55258039) 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, 575557 + ... + 575652.

It is an arithmetic number, because the mean of its divisors is an integer number (7137502).

Almost surely, 255258032 is an apocalyptic number.

It is an amenable number.

55258032 is an abundant number, since it is smaller than the sum of its proper divisors (87492008).

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

55258032 is a wasteful number, since it uses less digits than its factorization.

55258032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151220 (or 1151214 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55258032 is about 7433.5746448125. The cubic root of 55258032 is about 380.8890356857.

The spelling of 55258032 in words is "fifty-five million, two hundred fifty-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1151209 2302418 3453627 4604836 6907254 9209672 13814508 18419344 27629016 55258032