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55501115060 = 22521113151923
BaseRepresentation
bin110011101100000111…
…111100111010110100
312022020222010202211002
4303230013330322310
51402131241140220
641255153302432
74003240460036
oct635407747264
9168228122732
1055501115060
11215a0a29236
12a90b264a18
1353066840b1
142987197c56
15169c7d4c75
hexcec1fceb4

55501115060 has 24 divisors (see below), whose sum is σ = 117104731296. Its totient is φ = 22095228960.

The previous prime is 55501115029. The next prime is 55501115063. The reversal of 55501115060 is 6051110555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501115063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6571742 + ... + 6580181.

It is an arithmetic number, because the mean of its divisors is an integer number (4879363804).

Almost surely, 255501115060 is an apocalyptic number.

It is an amenable number.

55501115060 is an abundant number, since it is smaller than the sum of its proper divisors (61603616236).

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

55501115060 is a wasteful number, since it uses less digits than its factorization.

55501115060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13152143 (or 13152141 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55501115060 in words is "fifty-five billion, five hundred one million, one hundred fifteen thousand, sixty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 13151923 26303846 52607692 65759615 131519230 263038460 2775055753 5550111506 11100223012 13875278765 27750557530 55501115060