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55510843392 = 21432973881
BaseRepresentation
bin110011101100101101…
…000100000000000000
312022021122110000120200
4303230231010000000
51402141233442032
641300142005200
74003416245364
oct635455040000
9168248400520
1055510843392
11215a6473284
12a912576800
1353086ac0c4
1429885ab2a4
15169d5a747c
hexcecb44000

55510843392 has 180 divisors, whose sum is σ = 162054703356. Its totient is φ = 18308136960.

The previous prime is 55510843387. The next prime is 55510843457. The reversal of 55510843392 is 29334801555.

55510843392 is a `hidden beast` number, since 5 + 5 + 510 + 8 + 43 + 3 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29992697856 + 25518145536 = 173184^2 + 159744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14301292 + ... + 14305172.

Almost surely, 255510843392 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 55510843392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81027351678).

55510843392 is an abundant number, since it is smaller than the sum of its proper divisors (106543859964).

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

55510843392 is an equidigital number, since it uses as much as digits as its factorization.

55510843392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 55510843392 in words is "fifty-five billion, five hundred ten million, eight hundred forty-three thousand, three hundred ninety-two".