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55490058 = 23213237137
BaseRepresentation
bin1101001110101…
…1011000001010
310212102012001100
43103223120022
5103201140213
65301202230
71242441411
oct323533012
9125365040
1055490058
1129360558
1216700376
13b65b270
147526478
154d11773
hex34eb60a

55490058 has 24 divisors (see below), whose sum is σ = 129477348. Its totient is φ = 17073792.

The previous prime is 55490041. The next prime is 55490063. The reversal of 55490058 is 85009455.

It is a happy number.

55490058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55398249 + 91809 = 7443^2 + 303^2 .

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 11 ways as a sum of consecutive naturals, for example, 118335 + ... + 118802.

Almost surely, 255490058 is an apocalyptic number.

55490058 is an abundant number, since it is smaller than the sum of its proper divisors (73987290).

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

55490058 is a wasteful number, since it uses less digits than its factorization.

55490058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237158 (or 237155 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55490058 is about 7449.1649196403. The cubic root of 55490058 is about 381.4214032475.

The spelling of 55490058 in words is "fifty-five million, four hundred ninety thousand, fifty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 237137 474274 711411 1422822 2134233 3082781 4268466 6165562 9248343 18496686 27745029 55490058