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55543125 = 354112693
BaseRepresentation
bin1101001111100…
…0010101010101
310212111212211210
43103320111111
5103204340000
65302252033
71243052211
oct323702525
9125455753
1055543125
1129397410
1216727019
13b679471
14753b941
154d22350
hex34f8555

55543125 has 40 divisors (see below), whose sum is σ = 100992672. Its totient is φ = 26920000.

The previous prime is 55543109. The next prime is 55543127. The reversal of 55543125 is 52134555.

It is a happy number.

It is not a de Polignac number, because 55543125 - 24 = 55543109 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55543092 and 55543101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19279 + ... + 21971.

Almost surely, 255543125 is an apocalyptic number.

55543125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55543125 is a deficient number, since it is larger than the sum of its proper divisors (45449547).

55543125 is a wasteful number, since it uses less digits than its factorization.

55543125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2712 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 55543125 is about 7452.7260113330. The cubic root of 55543125 is about 381.5429531936.

The spelling of 55543125 in words is "fifty-five million, five hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 165 275 375 625 825 1375 1875 2693 4125 6875 8079 13465 20625 29623 40395 67325 88869 148115 201975 336625 444345 740575 1009875 1683125 2221725 3702875 5049375 11108625 18514375 55543125