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55207241560 = 2353167664507
BaseRepresentation
bin110011011010100110…
…111010011101011000
312021111111011110011101
4303122212322131120
51401031023212220
641210054441144
73663041545012
oct633246723530
9167444143141
1055207241560
1121460059779
12a8489631b4
13528a81ca53
14295a13b1b2
151681ad630a
hexcda9ba758

55207241560 has 64 divisors (see below), whose sum is σ = 130137246720. Its totient is φ = 21051550080.

The previous prime is 55207241543. The next prime is 55207241599. The reversal of 55207241560 is 6514270255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249174 + ... + 415333.

It is an arithmetic number, because the mean of its divisors is an integer number (2033394480).

Almost surely, 255207241560 is an apocalyptic number.

It is an amenable number.

55207241560 is an abundant number, since it is smaller than the sum of its proper divisors (74930005160).

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

55207241560 is a wasteful number, since it uses less digits than its factorization.

55207241560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664616 (or 664612 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 55207241560 in words is "fifty-five billion, two hundred seven million, two hundred forty-one thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 31 40 62 67 124 134 155 248 268 310 335 536 620 670 1240 1340 2077 2680 4154 8308 10385 16616 20770 41540 83080 664507 1329014 2658028 3322535 5316056 6645070 13290140 20599717 26580280 41199434 44521969 82398868 89043938 102998585 164797736 178087876 205997170 222609845 356175752 411994340 445219690 823988680 890439380 1380181039 1780878760 2760362078 5520724156 6900905195 11041448312 13801810390 27603620780 55207241560