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55611352560 = 24352089110921
BaseRepresentation
bin110011110010101100…
…011110010111110000
312022112122120102020110
4303302230132113300
51402343001240220
641314132141320
74006046461131
oct636254362760
9168478512213
1055611352560
1121648182305
12a940167840
13532347059a
142997a91c88
1516a730cbe0
hexcf2b1e5f0

55611352560 has 80 divisors (see below), whose sum is σ = 172479273120. Its totient is φ = 14822461440.

The previous prime is 55611352541. The next prime is 55611352619. The reversal of 55611352560 is 6525311655.

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, 445900 + ... + 556820.

It is an arithmetic number, because the mean of its divisors is an integer number (2155990914).

Almost surely, 255611352560 is an apocalyptic number.

It is an amenable number.

55611352560 is an abundant number, since it is smaller than the sum of its proper divisors (116867920560).

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

55611352560 is a wasteful number, since it uses less digits than its factorization.

55611352560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113026 (or 113020 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 55611352560 in words is "fifty-five billion, six hundred eleven million, three hundred fifty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2089 4178 6267 8356 10445 12534 16712 20890 25068 31335 33424 41780 50136 62670 83560 100272 110921 125340 167120 221842 250680 332763 443684 501360 554605 665526 887368 1109210 1331052 1663815 1774736 2218420 2662104 3327630 4436840 5324208 6655260 8873680 13310520 26621040 231713969 463427938 695141907 926855876 1158569845 1390283814 1853711752 2317139690 2780567628 3475709535 3707423504 4634279380 5561135256 6951419070 9268558760 11122270512 13902838140 18537117520 27805676280 55611352560