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55061711200 = 2552193622481
BaseRepresentation
bin110011010001111011…
…110000100101100000
312021010100022202001001
4303101323300211200
51400231244224300
641143415321344
73656323552156
oct632173604540
9167110282031
1055061711200
112139599a651
12a808080254
135266627402
142944a973d6
151673e3b16a
hexcd1ef0960

55061711200 has 72 divisors (see below), whose sum is σ = 141494146920. Its totient is φ = 20865484800.

The previous prime is 55061711171. The next prime is 55061711249. The reversal of 55061711200 is 211716055.

It is a congruent number.

It is an unprimeable number.

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, 1796041 + ... + 1826440.

It is an arithmetic number, because the mean of its divisors is an integer number (1965196485).

Almost surely, 255061711200 is an apocalyptic number.

55061711200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55061711200 is an abundant number, since it is smaller than the sum of its proper divisors (86432435720).

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

55061711200 is a wasteful number, since it uses less digits than its factorization.

55061711200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622520 (or 3622507 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 55061711200 in words is "fifty-five billion, sixty-one million, seven hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 380 400 475 608 760 800 950 1520 1900 3040 3800 7600 15200 3622481 7244962 14489924 18112405 28979848 36224810 57959696 68827139 72449620 90562025 115919392 137654278 144899240 181124050 275308556 289798480 344135695 362248100 550617112 579596960 688271390 724496200 1101234224 1376542780 1448992400 1720678475 2202468448 2753085560 2897984800 3441356950 5506171120 6882713900 11012342240 13765427800 27530855600 55061711200