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55706656 = 254737039
BaseRepresentation
bin1101010010000…
…0010000100000
310212211012011111
43110200100200
5103230103111
65305553104
71244333035
oct324402040
9125735144
1055706656
1129499265
12167a5794
13b705a25
14758138c
154d55a21
hex3520420

55706656 has 24 divisors (see below), whose sum is σ = 112008960. Its totient is φ = 27259968.

The previous prime is 55706641. The next prime is 55706663. The reversal of 55706656 is 65660755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17016 + ... + 20023.

It is an arithmetic number, because the mean of its divisors is an integer number (4667040).

Almost surely, 255706656 is an apocalyptic number.

It is an amenable number.

55706656 is an abundant number, since it is smaller than the sum of its proper divisors (56302304).

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

55706656 is a wasteful number, since it uses less digits than its factorization.

55706656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37096 (or 37088 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 55706656 is about 7463.6891682331. The cubic root of 55706656 is about 381.9170346947.

The spelling of 55706656 in words is "fifty-five million, seven hundred six thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 37039 74078 148156 296312 592624 1185248 1740833 3481666 6963332 13926664 27853328 55706656