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54252525 = 3521722503
BaseRepresentation
bin1100111011110…
…1001111101101
310210002022110210
43032331033231
5102342040100
65214453033
71226065425
oct316751755
9123068423
1054252525
11286957a8
1216204179
13b316bb2
1472c3485
154b69c50
hex33bd3ed

54252525 has 36 divisors (see below), whose sum is σ = 95322272. Its totient is φ = 27221760.

The previous prime is 54252521. The next prime is 54252529. The reversal of 54252525 is 52525245.

It is an interprime number because it is at equal distance from previous prime (54252521) and next prime (54252529).

It is not a de Polignac number, because 54252525 - 22 = 54252521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54252492 and 54252501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54252521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20424 + ... + 22926.

Almost surely, 254252525 is an apocalyptic number.

It is an amenable number.

54252525 is a deficient number, since it is larger than the sum of its proper divisors (41069747).

54252525 is a wasteful number, since it uses less digits than its factorization.

54252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2528 counting only the distinct ones).

The product of its digits is 20000, while the sum is 30.

The square root of 54252525 is about 7365.6313375026. The cubic root of 54252525 is about 378.5645870028.

The spelling of 54252525 in words is "fifty-four million, two hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 289 425 867 1275 1445 2503 4335 7225 7509 12515 21675 37545 42551 62575 127653 187725 212755 638265 723367 1063775 2170101 3191325 3616835 10850505 18084175 54252525