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54550449 = 332020387
BaseRepresentation
bin1101000000010…
…1111110110001
310210122110011000
43100011332301
5102431103244
65225112213
71231446132
oct320057661
9123573130
1054550449
1128879618
1216328669
13b3bc695
14735dc89
154bc8169
hex3405fb1

54550449 has 8 divisors (see below), whose sum is σ = 80815520. Its totient is φ = 36366948.

The previous prime is 54550439. The next prime is 54550471. The reversal of 54550449 is 94405545.

54550449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54550449 - 25 = 54550417 is a prime.

It is a super-2 number, since 2×545504492 = 5951502972203202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54550439) 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 7 ways as a sum of consecutive naturals, for example, 1010167 + ... + 1010220.

It is an arithmetic number, because the mean of its divisors is an integer number (10101940).

Almost surely, 254550449 is an apocalyptic number.

It is an amenable number.

54550449 is a deficient number, since it is larger than the sum of its proper divisors (26265071).

54550449 is a wasteful number, since it uses less digits than its factorization.

54550449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020396 (or 2020390 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54550449 is about 7385.8275771913. The cubic root of 54550449 is about 379.2562761975.

The spelling of 54550449 in words is "fifty-four million, five hundred fifty thousand, four hundred forty-nine".

Divisors: 1 3 9 27 2020387 6061161 18183483 54550449