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55002240000000 = 21334571061
BaseRepresentation
bin11001000000110001101001…
…11110100010000000000000
321012202011101200020011220000
430200120310332202000000
524202124041420000000
6312551402532520000
714404531532030436
oct1440306476420000
9235664350204800
1055002240000000
1116586356635817
126203976a80000
13248c8c58b2417
14d821a0680d56
15655b03d50000
hex320634fa2000

55002240000000 has 1120 divisors, whose sum is σ = 205590124664496. Its totient is φ = 14653440000000.

The previous prime is 55002239999989. The next prime is 55002240000031. The reversal of 55002240000000 is 4220055.

It can be written as a sum of positive squares in 8 ways, for example, as 47831498625024 + 7170741374976 = 6916032^2 + 2677824^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51839999470 + ... + 51840000530.

Almost surely, 255002240000000 is an apocalyptic number.

55002240000000 is a gapful number since it is divisible by the number (50) 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 55002240000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102795062332248).

55002240000000 is an abundant number, since it is smaller than the sum of its proper divisors (150587884664496).

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

55002240000000 is an frugal number, since it uses more digits than its factorization.

55002240000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

Adding to 55002240000000 its reverse (4220055), we get a palindrome (55002244220055).

The spelling of 55002240000000 in words is "fifty-five trillion, two billion, two hundred forty million", and thus it is an aban number.