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54055345220 = 22512119223019
BaseRepresentation
bin110010010101111100…
…110001110001000100
312011112012200001102222
4302111330301301010
51341201132021340
640455505351512
73622353565442
oct622574616104
9164465601388
1054055345220
1120a19918a28
12a587038598
135135c9b796
14288b16db92
1516158ed8b5
hexc95f31c44

54055345220 has 24 divisors (see below), whose sum is σ = 113526100800. Its totient is φ = 21620256992.

The previous prime is 54055345219. The next prime is 54055345229. The reversal of 54055345220 is 2254355045.

It is not an unprimeable number, because it can be changed into a prime (54055345229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130871 + ... + 353889.

It is an arithmetic number, because the mean of its divisors is an integer number (4730254200).

Almost surely, 254055345220 is an apocalyptic number.

It is an amenable number.

54055345220 is an abundant number, since it is smaller than the sum of its proper divisors (59470755580).

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

54055345220 is a wasteful number, since it uses less digits than its factorization.

54055345220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235147 (or 235145 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 54055345220 in words is "fifty-four billion, fifty-five million, three hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 12119 24238 48476 60595 121190 223019 242380 446038 892076 1115095 2230190 4460380 2702767261 5405534522 10811069044 13513836305 27027672610 54055345220