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55525293138960 = 2435523593121063
BaseRepresentation
bin11001001111111111111010…
…10111111010010000010000
321021121011111010222200200000
430213333331113322100100
524234211300020421320
6314031544552530000
714460366345246561
oct1447777527722020
9237534433880600
1055525293138960
1116768165487777
1262892103b0900
1324ca021b06408
14d9d61d466168
1566451878cc90
hex327ffd5fa410

55525293138960 has 240 divisors, whose sum is σ = 193388623419264. Its totient is φ = 14805994945536.

The previous prime is 55525293138941. The next prime is 55525293138983. The reversal of 55525293138960 is 6983139252555.

55525293138960 is a `hidden beast` number, since 5 + 5 + 5 + 2 + 529 + 3 + 13 + 8 + 96 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458587389 + ... + 458708451.

Almost surely, 255525293138960 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 55525293138960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96694311709632).

55525293138960 is an abundant number, since it is smaller than the sum of its proper divisors (137863330280304).

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

55525293138960 is a wasteful number, since it uses less digits than its factorization.

55525293138960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144684 (or 144666 counting only the distinct ones).

The product of its (nonzero) digits is 87480000, while the sum is 63.

The spelling of 55525293138960 in words is "fifty-five trillion, five hundred twenty-five billion, two hundred ninety-three million, one hundred thirty-eight thousand, nine hundred sixty".