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54505530 = 2325605617
BaseRepresentation
bin1100111111101…
…1000000111010
310210120011112100
43033323000322
5102423134110
65224124230
71231201152
oct317730072
9123504470
1054505530
11288488a2
1216306676
13b3a50c1
14734b762
154bb9bc0
hex33fb03a

54505530 has 24 divisors (see below), whose sum is σ = 141714612. Its totient is φ = 14534784.

The previous prime is 54505511. The next prime is 54505531. The reversal of 54505530 is 3550545.

It can be written as a sum of positive squares in 2 ways, for example, as 54331641 + 173889 = 7371^2 + 417^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54505494 and 54505503.

It is not an unprimeable number, because it can be changed into a prime (54505531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302719 + ... + 302898.

Almost surely, 254505530 is an apocalyptic number.

54505530 is an abundant number, since it is smaller than the sum of its proper divisors (87209082).

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

54505530 is a wasteful number, since it uses less digits than its factorization.

54505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605630 (or 605627 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 54505530 is about 7382.7860594765. The cubic root of 54505530 is about 379.1521493992.

The spelling of 54505530 in words is "fifty-four million, five hundred five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 605617 1211234 1816851 3028085 3633702 5450553 6056170 9084255 10901106 18168510 27252765 54505530