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55910120 = 2357199679
BaseRepresentation
bin1101010101000…
…1111011101000
310220012112021012
43111101323220
5103303110440
65314203052
71246141160
oct325217350
9126175235
1055910120
1129618112
1216883488
13b777516
1475d55a0
154d95e65
hex3551ee8

55910120 has 32 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 19169088.

The previous prime is 55910083. The next prime is 55910131. The reversal of 55910120 is 2101955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99560 + ... + 100119.

It is an arithmetic number, because the mean of its divisors is an integer number (4492800).

Almost surely, 255910120 is an apocalyptic number.

It is an amenable number.

55910120 is an abundant number, since it is smaller than the sum of its proper divisors (87859480).

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

55910120 is a wasteful number, since it uses less digits than its factorization.

55910120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199697 (or 199693 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 55910120 is about 7477.3070018557. The cubic root of 55910120 is about 382.3814433144.

The spelling of 55910120 in words is "fifty-five million, nine hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 199679 399358 798716 998395 1397753 1597432 1996790 2795506 3993580 5591012 6988765 7987160 11182024 13977530 27955060 55910120