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55760880 = 2435733191
BaseRepresentation
bin1101010010110…
…1011111110000
310212220221112210
43110231133300
5103233322010
65311052120
71244650110
oct324553760
9125827483
1055760880
1129525a7a
1216811040
13b724606
147597040
154d66b20
hex352d7f0

55760880 has 80 divisors (see below), whose sum is σ = 197558784. Its totient is φ = 12744960.

The previous prime is 55760857. The next prime is 55760897. The reversal of 55760880 is 8806755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 14916 + ... + 18275.

Almost surely, 255760880 is an apocalyptic number.

It is an amenable number.

55760880 is an abundant number, since it is smaller than the sum of its proper divisors (141797904).

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

55760880 is a wasteful number, since it uses less digits than its factorization.

55760880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33214 (or 33208 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 55760880 is about 7467.3208046795. The cubic root of 55760880 is about 382.0409118943.

The spelling of 55760880 in words is "fifty-five million, seven hundred sixty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 33191 66382 99573 132764 165955 199146 232337 265528 331910 398292 464674 497865 531056 663820 697011 796584 929348 995730 1161685 1327640 1394022 1593168 1858696 1991460 2323370 2655280 2788044 3485055 3717392 3982920 4646740 5576088 6970110 7965840 9293480 11152176 13940220 18586960 27880440 55760880