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55925189 = 1719412103
BaseRepresentation
bin1101010101010…
…1100111000101
310220020021221022
43111111213011
5103304101224
65314400525
71246233125
oct325254705
9126207838
1055925189
1129628471
1216890145
13b781338
1475dac85
154d9a65e
hex35559c5

55925189 has 24 divisors (see below), whose sum is σ = 64509120. Its totient is φ = 48176640.

The previous prime is 55925183. The next prime is 55925201. The reversal of 55925189 is 98152955.

It is not a de Polignac number, because 55925189 - 24 = 55925173 is a prime.

It is a Duffinian number.

Its product of digits (162000) is a multiple of the sum of its prime divisors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55925183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542912 + ... + 543014.

It is an arithmetic number, because the mean of its divisors is an integer number (2687880).

Almost surely, 255925189 is an apocalyptic number.

It is an amenable number.

55925189 is a deficient number, since it is larger than the sum of its proper divisors (8583931).

55925189 is a wasteful number, since it uses less digits than its factorization.

55925189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 180 counting only the distinct ones).

The product of its digits is 162000, while the sum is 44.

The square root of 55925189 is about 7478.3145828455. The cubic root of 55925189 is about 382.4157936156.

The spelling of 55925189 in words is "fifty-five million, nine hundred twenty-five thousand, one hundred eighty-nine".

Divisors: 1 17 19 41 103 323 697 779 1681 1751 1957 4223 13243 28577 31939 33269 71791 80237 173143 542963 1364029 2943431 3289717 55925189