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55305135 = 3254779331
BaseRepresentation
bin1101001011111…
…0001110101111
310212001210101100
43102332032233
5103124231020
65253214143
71241041314
oct322761657
9125053340
1055305135
1129244626
1216631353
13b5c5042
1474b8d0b
154cc6a90
hex34be3af

55305135 has 48 divisors (see below), whose sum is σ = 99440640. Its totient is φ = 28416960.

The previous prime is 55305127. The next prime is 55305139. The reversal of 55305135 is 53150355.

It is not a de Polignac number, because 55305135 - 23 = 55305127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55305099 and 55305108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55305139) 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 47 ways as a sum of consecutive naturals, for example, 166920 + ... + 167250.

It is an arithmetic number, because the mean of its divisors is an integer number (2071680).

Almost surely, 255305135 is an apocalyptic number.

55305135 is a deficient number, since it is larger than the sum of its proper divisors (44135505).

55305135 is a wasteful number, since it uses less digits than its factorization.

55305135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 55305135 is about 7436.7422303049. The cubic root of 55305135 is about 380.9972306410.

The spelling of 55305135 in words is "fifty-five million, three hundred five thousand, one hundred thirty-five".

Divisors: 1 3 5 9 15 45 47 79 141 235 237 331 395 423 705 711 993 1185 1655 2115 2979 3555 3713 4965 11139 14895 15557 18565 26149 33417 46671 55695 77785 78447 130745 140013 167085 233355 235341 392235 700065 1176705 1229003 3687009 6145015 11061027 18435045 55305135