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55530430230 = 23511212979039
BaseRepresentation
bin110011101101110111…
…110001111100010110
312022100000022010200010
4303231313301330112
51402211242231410
641302121501050
74004044604022
oct635567617426
9168300263603
1055530430230
1121606531150
12a919041786
13530c779452
14298b029382
1516a0175c20
hexceddf1f16

55530430230 has 64 divisors (see below), whose sum is σ = 145458892800. Its totient is φ = 13455429120.

The previous prime is 55530430201. The next prime is 55530430253. The reversal of 55530430230 is 3203403555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663051 + ... + 742089.

It is an arithmetic number, because the mean of its divisors is an integer number (2272795200).

Almost surely, 255530430230 is an apocalyptic number.

55530430230 is an abundant number, since it is smaller than the sum of its proper divisors (89928462570).

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

55530430230 is a wasteful number, since it uses less digits than its factorization.

55530430230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81189.

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 55530430230 its reverse (3203403555), we get a palindrome (58733833785).

The spelling of 55530430230 in words is "fifty-five billion, five hundred thirty million, four hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 2129 4258 6387 10645 12774 21290 23419 31935 46838 63870 70257 79039 117095 140514 158078 234190 237117 351285 395195 474234 702570 790390 869429 1185585 1738858 2371170 2608287 4347145 5216574 8694290 13041435 26082870 168274031 336548062 504822093 841370155 1009644186 1682740310 1851014341 2524110465 3702028682 5048220930 5553043023 9255071705 11106086046 18510143410 27765215115 55530430230