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55065011656 = 237987128183
BaseRepresentation
bin110011010010001000…
…010110010111001000
312021010120112102102011
4303102020112113020
51400233120333111
641144014145304
73656363606404
oct632210262710
9167116472364
1055065011656
11213978442a6
12a8091b2234
135267211745
1429452b6104
15167438e021
hexcd22165c8

55065011656 has 16 divisors (see below), whose sum is σ = 104553820800. Its totient is φ = 27183992784.

The previous prime is 55065011653. The next prime is 55065011699. The reversal of 55065011656 is 65611056055.

It is not an unprimeable number, because it can be changed into a prime (55065011653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43563460 + ... + 43564723.

It is an arithmetic number, because the mean of its divisors is an integer number (6534613800).

Almost surely, 255065011656 is an apocalyptic number.

It is an amenable number.

55065011656 is a deficient number, since it is larger than the sum of its proper divisors (49488809144).

55065011656 is a wasteful number, since it uses less digits than its factorization.

55065011656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87128268 (or 87128264 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55065011656 in words is "fifty-five billion, sixty-five million, eleven thousand, six hundred fifty-six".

Divisors: 1 2 4 8 79 158 316 632 87128183 174256366 348512732 697025464 6883126457 13766252914 27532505828 55065011656