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55424135 = 51323131283
BaseRepresentation
bin1101001101101…
…1010010000111
310212021211121202
43103123102013
5103142033020
65255533115
71242045254
oct323332207
9125254552
1055424135
1129315a78
121668a19b
13b637260
14750a42b
154cebe75
hex34db487

55424135 has 32 divisors (see below), whose sum is σ = 75575808. Its totient is φ = 38712960.

The previous prime is 55424129. The next prime is 55424179. The reversal of 55424135 is 53142455.

It is not a de Polignac number, because 55424135 - 212 = 55420039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55424098 and 55424107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195704 + ... + 195986.

It is an arithmetic number, because the mean of its divisors is an integer number (2361744).

Almost surely, 255424135 is an apocalyptic number.

55424135 is a deficient number, since it is larger than the sum of its proper divisors (20151673).

55424135 is a wasteful number, since it uses less digits than its factorization.

55424135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its digits is 12000, while the sum is 29.

The square root of 55424135 is about 7444.7387462556. The cubic root of 55424135 is about 381.2702986594.

The spelling of 55424135 in words is "fifty-five million, four hundred twenty-four thousand, one hundred thirty-five".

Divisors: 1 5 13 23 65 115 131 283 299 655 1415 1495 1703 3013 3679 6509 8515 15065 18395 32545 37073 39169 84617 185365 195845 423085 481949 852679 2409745 4263395 11084827 55424135