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55580098560 = 21635741197
BaseRepresentation
bin110011110000110101…
…010000000000000000
312022110110202112210220
4303300311100000000
51402312001123220
641311054223040
74005220020450
oct636065200000
9168413675726
1055580098560
1121631575758
12a9317b4a80
135319b498ac
142993877d60
1516a46d7540
hexcf0d50000

55580098560 has 544 divisors, whose sum is σ = 209277395712. Its totient is φ = 12331253760.

The previous prime is 55580098559. The next prime is 55580098589. The reversal of 55580098560 is 6589008555.

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 31 ways as a sum of consecutive naturals, for example, 282132382 + ... + 282132578.

Almost surely, 255580098560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55580098560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104638697856).

55580098560 is an abundant number, since it is smaller than the sum of its proper divisors (153697297152).

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

55580098560 is an equidigital number, since it uses as much as digits as its factorization.

55580098560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 51.

The spelling of 55580098560 in words is "fifty-five billion, five hundred eighty million, ninety-eight thousand, five hundred sixty".