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55281342 = 2316755171
BaseRepresentation
bin1101001011100…
…0011010111110
310212000120202010
43102320122332
5103123000332
65252512050
71240612044
oct322703276
9125016663
1055281342
1129228766
121661b626
13b5b726c
1474b0394
154cbe9cc
hex34b86be

55281342 has 16 divisors (see below), whose sum is σ = 111226752. Its totient is φ = 18316440.

The previous prime is 55281341. The next prime is 55281361. The reversal of 55281342 is 24318255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55281341) 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, 26584 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (6951672).

Almost surely, 255281342 is an apocalyptic number.

55281342 is an abundant number, since it is smaller than the sum of its proper divisors (55945410).

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

55281342 is a wasteful number, since it uses less digits than its factorization.

55281342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55343.

The product of its digits is 9600, while the sum is 30.

The square root of 55281342 is about 7435.1423658192. The cubic root of 55281342 is about 380.9425861227.

Adding to 55281342 its reverse (24318255), we get a palindrome (79599597).

The spelling of 55281342 in words is "fifty-five million, two hundred eighty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 167 334 501 1002 55171 110342 165513 331026 9213557 18427114 27640671 55281342