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55530755255 = 5173191204733
BaseRepresentation
bin110011101101111001…
…000001010010110111
312022100000220122112002
4303231321001102313
51402211333132010
641302132445515
74004050426433
oct635571012267
9168300818462
1055530755255
1121606733368
12a91917989b
13530c861381
14298b0b19c3
1516a01dc1a5
hexcede414b7

55530755255 has 16 divisors (see below), whose sum is σ = 70579180224. Its totient is φ = 41798085120.

The previous prime is 55530755239. The next prime is 55530755263. The reversal of 55530755255 is 55255703555.

It is not a de Polignac number, because 55530755255 - 24 = 55530755239 is a prime.

It is a Duffinian number.

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, 168869 + ... + 373601.

It is an arithmetic number, because the mean of its divisors is an integer number (4411198764).

Almost surely, 255530755255 is an apocalyptic number.

55530755255 is a deficient number, since it is larger than the sum of its proper divisors (15048424969).

55530755255 is a wasteful number, since it uses less digits than its factorization.

55530755255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207946.

The product of its (nonzero) digits is 3281250, while the sum is 47.

The spelling of 55530755255 in words is "fifty-five billion, five hundred thirty million, seven hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 5 17 85 3191 15955 54247 204733 271235 1023665 3480461 17402305 653303003 3266515015 11106151051 55530755255