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52172016550 = 25217173354791
BaseRepresentation
bin110000100101101100…
…011100101110100110
311222122221212001012021
4300211230130232212
51323322014012200
635544551213354
73524604552343
oct604554345646
9158587761167
1052172016550
112014281a255
12a14037725a
134bc5a54214
14274cda57ca
1515553d541a
hexc25b1cba6

52172016550 has 48 divisors (see below), whose sum is σ = 103342394592. Its totient is φ = 19527641600.

The previous prime is 52172016541. The next prime is 52172016551. The reversal of 52172016550 is 5561027125.

52172016550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52172016551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30346 + ... + 324445.

It is an arithmetic number, because the mean of its divisors is an integer number (2152966554).

Almost surely, 252172016550 is an apocalyptic number.

52172016550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52172016550 is a deficient number, since it is larger than the sum of its proper divisors (51170378042).

52172016550 is a wasteful number, since it uses less digits than its factorization.

52172016550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354993 (or 354988 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 52172016550 in words is "fifty-two billion, one hundred seventy-two million, sixteen thousand, five hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 173 346 425 850 865 1730 2941 4325 5882 8650 14705 29410 73525 147050 354791 709582 1773955 3547910 6031447 8869775 12062894 17739550 30157235 60314470 61378843 122757686 150786175 301572350 306894215 613788430 1043440331 1534471075 2086880662 3068942150 5217201655 10434403310 26086008275 52172016550