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55045973895 = 35112336472213
BaseRepresentation
bin110011010000111111…
…101110011110000111
312021002020201012111220
4303100333232132013
51400213232131040
641142054131423
73656043025623
oct632077563607
9167066635456
1055045973895
1121388020a10
12a802950b73
1352632a72b3
14294295c183
15167287d2d0
hexcd0fee787

55045973895 has 64 divisors (see below), whose sum is σ = 96685415424. Its totient is φ = 26521349120.

The previous prime is 55045973891. The next prime is 55045973929. The reversal of 55045973895 is 59837954055.

It is not a de Polignac number, because 55045973895 - 22 = 55045973891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55045973891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24872809 + ... + 24875021.

It is an arithmetic number, because the mean of its divisors is an integer number (1510709616).

Almost surely, 255045973895 is an apocalyptic number.

55045973895 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55045973895 is a deficient number, since it is larger than the sum of its proper divisors (41639441529).

55045973895 is a wasteful number, since it uses less digits than its factorization.

55045973895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 34020000, while the sum is 60.

The spelling of 55045973895 in words is "fifty-five billion, forty-five million, nine hundred seventy-three thousand, eight hundred ninety-five".

Divisors: 1 3 5 11 15 33 55 165 233 647 699 1165 1941 2213 2563 3235 3495 6639 7117 7689 9705 11065 12815 21351 24343 33195 35585 38445 73029 106755 121715 150751 365145 452253 515629 753755 1431811 1546887 1658261 2261265 2578145 4295433 4974783 5671919 7159055 7734435 8291305 15749921 17015757 21477165 24873915 28359595 47249763 78749605 85078785 236248815 333611963 1000835889 1668059815 3669731593 5004179445 11009194779 18348657965 55045973895