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55500000530 = 2513239782721
BaseRepresentation
bin110011101100000011…
…101100110100010010
312022020220001010222012
4303230003230310102
51402131000004110
641255113342522
74003225135502
oct635403546422
9168226033865
1055500000530
11215a0337937
12a90aa07a42
135306383a00
142986d87a02
15169c664905
hexcec0ecd12

55500000530 has 48 divisors (see below), whose sum is σ = 108449534664. Its totient is φ = 20440442880.

The previous prime is 55500000473. The next prime is 55500000533. The reversal of 55500000530 is 3500000555.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1764588049 + 53735412481 = 42007^2 + 231809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55500000496 and 55500000505.

It is not an unprimeable number, because it can be changed into a prime (55500000533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629570 + ... + 712290.

Almost surely, 255500000530 is an apocalyptic number.

55500000530 is a deficient number, since it is larger than the sum of its proper divisors (52949534134).

55500000530 is a wasteful number, since it uses less digits than its factorization.

55500000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83151 (or 83138 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 23.

The spelling of 55500000530 in words is "fifty-five billion, five hundred million, five hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 13 26 65 130 169 338 397 794 845 1690 1985 3970 5161 10322 25805 51610 67093 82721 134186 165442 335465 413605 670930 827210 1075373 2150746 5376865 10753730 13979849 27959698 32840237 65680474 69899245 139798490 164201185 328402370 426923081 853846162 2134615405 4269230810 5550000053 11100000106 27750000265 55500000530