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55745293232 = 2417216373961
BaseRepresentation
bin110011111010101011…
…011010101110110000
312022212222121022022002
4303322223122232300
51403131243340412
641335315033132
74012264113536
oct637253325660
9168788538262
1055745293232
1121706845982
12a978b9b7a8
135345138915
1429ab79a156
1516b3e68dc2
hexcfaadabb0

55745293232 has 60 divisors (see below), whose sum is σ = 115439002056. Its totient is φ = 26071787520.

The previous prime is 55745293231. The next prime is 55745293271. The reversal of 55745293232 is 23239254755.

It is not an unprimeable number, because it can be changed into a prime (55745293231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716732 + ... + 790692.

Almost surely, 255745293232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55745293232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57719501028).

55745293232 is an abundant number, since it is smaller than the sum of its proper divisors (59693708824).

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

55745293232 is a wasteful number, since it uses less digits than its factorization.

55745293232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74166 (or 74143 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 47.

The spelling of 55745293232 in words is "fifty-five billion, seven hundred forty-five million, two hundred ninety-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 163 272 289 326 578 652 1156 1304 2312 2608 2771 4624 5542 11084 22168 44336 47107 73961 94214 147922 188428 295844 376856 591688 753712 1183376 1257337 2514674 5029348 10058696 12055643 20117392 21374729 24111286 42749458 48222572 85498916 96445144 170997832 192890288 204945931 341995664 409891862 819783724 1639567448 3279134896 3484080827 6968161654 13936323308 27872646616 55745293232