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55355335488 = 26322910730971
BaseRepresentation
bin110011100011011011…
…110110001101000000
312021212210211101211200
4303203123312031000
51401331431213423
641232504541200
73666520405515
oct634333661500
9167783741750
1055355335488
1121526709952
12a88a481800
1352b24021ab
142971a8b30c
15168eadad43
hexce36f6340

55355335488 has 168 divisors, whose sum is σ = 165676661280. Its totient is φ = 17648440320.

The previous prime is 55355335487. The next prime is 55355335573. The reversal of 55355335488 is 88453355355.

55355335488 is a `hidden beast` number, since 5 + 5 + 3 + 553 + 3 + 5 + 4 + 88 = 666.

55355335488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55355335481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771843 + ... + 1802813.

Almost surely, 255355335488 is an apocalyptic number.

55355335488 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55355335488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82838330640).

55355335488 is an abundant number, since it is smaller than the sum of its proper divisors (110321325792).

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

55355335488 is a wasteful number, since it uses less digits than its factorization.

55355335488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31125 (or 31112 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 54.

The spelling of 55355335488 in words is "fifty-five billion, three hundred fifty-five million, three hundred thirty-five thousand, four hundred eighty-eight".