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55500712600 = 23521716323739
BaseRepresentation
bin110011101100000110…
…011010101010011000
312022020221101022202011
4303230012122222120
51402131140300400
641255140515304
74003234162504
oct635406325230
9168227338664
1055500712600
11215a0783923
12a90b0abb34
135306572b58
1429870d1304
15169c7558ba
hexcec19aa98

55500712600 has 48 divisors (see below), whose sum is σ = 136629703800. Its totient is φ = 20894384640.

The previous prime is 55500712591. The next prime is 55500712601. The reversal of 55500712600 is 621700555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500712601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8158470 + ... + 8165269.

Almost surely, 255500712600 is an apocalyptic number.

55500712600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55500712600 is an abundant number, since it is smaller than the sum of its proper divisors (81128991200).

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

55500712600 is a wasteful number, since it uses less digits than its factorization.

55500712600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16323772 (or 16323763 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 55500712600 in words is "fifty-five billion, five hundred million, seven hundred twelve thousand, six hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 16323739 32647478 65294956 81618695 130589912 163237390 277503563 326474780 408093475 555007126 652949560 816186950 1110014252 1387517815 1632373900 2220028504 2775035630 3264747800 5550071260 6937589075 11100142520 13875178150 27750356300 55500712600