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55675120 = 245695939
BaseRepresentation
bin1101010001100…
…0100011110000
310212202120220111
43110120203300
5103223100440
65305151104
71244142064
oct324304360
9125676814
1055675120
11294775a6
121678b494
13b6c4577
147573aa4
154d4b4ea
hex35188f0

55675120 has 20 divisors (see below), whose sum is σ = 129444840. Its totient is φ = 22270016.

The previous prime is 55675091. The next prime is 55675133. The reversal of 55675120 is 2157655.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent 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, 347890 + ... + 348049.

It is an arithmetic number, because the mean of its divisors is an integer number (6472242).

Almost surely, 255675120 is an apocalyptic number.

It is an amenable number.

55675120 is an abundant number, since it is smaller than the sum of its proper divisors (73769720).

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

55675120 is a wasteful number, since it uses less digits than its factorization.

55675120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695952 (or 695946 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 55675120 is about 7461.5762409829. The cubic root of 55675120 is about 381.8449522905.

The spelling of 55675120 in words is "fifty-five million, six hundred seventy-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 695939 1391878 2783756 3479695 5567512 6959390 11135024 13918780 27837560 55675120