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55882736 = 2472135483
BaseRepresentation
bin1101010100101…
…1001111110000
310220011010200222
43111023033300
5103301221421
65313432212
71245665300
oct325131760
9126133628
1055882736
11295a9588
121686b668
13b767c10
1475c9600
154d8ccab
hex354b3f0

55882736 has 60 divisors (see below), whose sum is σ = 135663192. Its totient is φ = 22103424.

The previous prime is 55882733. The next prime is 55882759. The reversal of 55882736 is 63728855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55882733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7451 + ... + 12933.

Almost surely, 255882736 is an apocalyptic number.

55882736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55882736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67831596).

55882736 is an abundant number, since it is smaller than the sum of its proper divisors (79780456).

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

55882736 is a wasteful number, since it uses less digits than its factorization.

55882736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518 (or 5505 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55882736 is about 7475.4756370414. The cubic root of 55882736 is about 382.3190047467.

The spelling of 55882736 in words is "fifty-five million, eight hundred eighty-two thousand, seven hundred thirty-six".

Divisors: 1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 208 364 392 637 728 784 1274 1456 2548 5096 5483 10192 10966 21932 38381 43864 71279 76762 87728 142558 153524 268667 285116 307048 498953 537334 570232 614096 997906 1074668 1140464 1995812 2149336 3492671 3991624 4298672 6985342 7983248 13970684 27941368 55882736