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55888035840 = 214325731317
BaseRepresentation
bin110100000011001011…
…111100000000000000
312100020221012101100100
4310003023330000000
51403424314121330
641401414322400
74015646316000
oct640313740000
9170227171310
1055888035840
112177a38057a
12a9b8959400
1353688963c0
1429c2716000
1516c1763060
hexd032fc000

55888035840 has 1440 divisors, whose sum is σ = 257627260800. Its totient is φ = 11098128384.

The previous prime is 55888035829. The next prime is 55888035871. The reversal of 55888035840 is 4853088855.

It is a happy number.

55888035840 is a `hidden beast` number, since 5 + 58 + 8 + 8 + 0 + 3 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3287531512 + ... + 3287531528.

It is an arithmetic number, because the mean of its divisors is an integer number (178907820).

Almost surely, 255888035840 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 55888035840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128813630400).

55888035840 is an abundant number, since it is smaller than the sum of its proper divisors (201739224960).

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

55888035840 is a wasteful number, since it uses less digits than its factorization.

55888035840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 54.

The spelling of 55888035840 in words is "fifty-five billion, eight hundred eighty-eight million, thirty-five thousand, eight hundred forty".