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55446347660 = 22511318129963
BaseRepresentation
bin110011101000110111…
…000001111110001100
312022010011002022001212
4303220313001332030
51402023231111120
641245515353552
74002004115234
oct635067017614
9168104068055
1055446347660
1121573021720
12a8b4a528b8
1352c8219a52
14297dbbccc4
151697ab76c5
hexce8dc1f8c

55446347660 has 48 divisors (see below), whose sum is σ = 131120059392. Its totient is φ = 19511908800.

The previous prime is 55446347651. The next prime is 55446347683. The reversal of 55446347660 is 6674364455.

It is a junction number, because it is equal to n+sod(n) for n = 55446347599 and 55446347608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4058162 + ... + 4071801.

It is an arithmetic number, because the mean of its divisors is an integer number (2731667904).

Almost surely, 255446347660 is an apocalyptic number.

It is an amenable number.

55446347660 is an abundant number, since it is smaller than the sum of its proper divisors (75673711732).

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

55446347660 is a wasteful number, since it uses less digits than its factorization.

55446347660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130014 (or 8130012 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 55446347660 in words is "fifty-five billion, four hundred forty-six million, three hundred forty-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 1364 1705 3410 6820 8129963 16259926 32519852 40649815 81299630 89429593 162599260 178859186 252028853 357718372 447147965 504057706 894295930 1008115412 1260144265 1788591860 2520288530 2772317383 5040577060 5544634766 11089269532 13861586915 27723173830 55446347660