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55750370 = 25131922571
BaseRepresentation
bin1101010010101…
…0111011100010
310212220102010112
43110222323202
5103233002440
65310531322
71244604344
oct324527342
9125812115
1055750370
1129519095
1216806b42
13b71c8b0
147593294
154d63965
hex352aee2

55750370 has 32 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 19500480.

The previous prime is 55750301. The next prime is 55750393. The reversal of 55750370 is 7305755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8816 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (3555090).

Almost surely, 255750370 is an apocalyptic number.

55750370 is an abundant number, since it is smaller than the sum of its proper divisors (58012510).

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

55750370 is a wasteful number, since it uses less digits than its factorization.

55750370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22610.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 55750370 is about 7466.6170385255. The cubic root of 55750370 is about 382.0169075966.

The spelling of 55750370 in words is "fifty-five million, seven hundred fifty thousand, three hundred seventy".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 22571 45142 112855 225710 293423 428849 586846 857698 1467115 2144245 2934230 4288490 5575037 11150074 27875185 55750370