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54505525 = 522180221
BaseRepresentation
bin1100111111101…
…1000000110101
310210120011112011
43033323000311
5102423134100
65224124221
71231201144
oct317730065
9123504464
1054505525
1128848898
1216306671
13b3a50b9
14734b75b
154bb9bba
hex33fb035

54505525 has 6 divisors (see below), whose sum is σ = 67586882. Its totient is φ = 43604400.

The previous prime is 54505511. The next prime is 54505531. The reversal of 54505525 is 52550545.

It can be written as a sum of positive squares in 3 ways, for example, as 14853316 + 39652209 = 3854^2 + 6297^2 .

It is a de Polignac number, because none of the positive numbers 2k-54505525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1090086 + ... + 1090135.

Almost surely, 254505525 is an apocalyptic number.

It is an amenable number.

54505525 is a deficient number, since it is larger than the sum of its proper divisors (13081357).

54505525 is a wasteful number, since it uses less digits than its factorization.

54505525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180231 (or 2180226 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 54505525 is about 7382.7857208509. The cubic root of 54505525 is about 379.1521378055.

The spelling of 54505525 in words is "fifty-four million, five hundred five thousand, five hundred twenty-five".

Divisors: 1 5 25 2180221 10901105 54505525