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55560256 = 261945691
BaseRepresentation
bin1101001111110…
…0100001000000
310212112202100021
43103330201000
5103210412011
65302503224
71243153153
oct323744100
9125482307
1055560256
11293a9274
1216734b14
13b6841bb
147543c9a
154d27471
hex34fc840

55560256 has 28 divisors (see below), whose sum is σ = 116057680. Its totient is φ = 26317440.

The previous prime is 55560247. The next prime is 55560287. The reversal of 55560256 is 65206555.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21630 + ... + 24061.

Almost surely, 255560256 is an apocalyptic number.

It is an amenable number.

55560256 is an abundant number, since it is smaller than the sum of its proper divisors (60497424).

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

55560256 is a wasteful number, since it uses less digits than its factorization.

55560256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45722 (or 45712 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55560256 is about 7453.8752337291. The cubic root of 55560256 is about 381.5821752124.

The spelling of 55560256 in words is "fifty-five million, five hundred sixty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 45691 91382 182764 365528 731056 868129 1462112 1736258 2924224 3472516 6945032 13890064 27780128 55560256