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54996664320 = 2153251319151
BaseRepresentation
bin110011001110000011…
…101000000000000000
312020221210221000111100
4303032003220000000
51400113121224240
641133133214400
73654603635133
oct631603500000
9166853830440
1054996664320
11213622019a4
12a7aa331400
135256001230
14293a1a421a
15166d38ce30
hexcce0e8000

54996664320 has 768 divisors, whose sum is σ = 217555228800. Its totient is φ = 12740198400.

The previous prime is 54996664313. The next prime is 54996664343. The reversal of 54996664320 is 2346669945.

It is a tau number, because it is divible by the number of its divisors (768).

It is a super-2 number, since 2×549966643202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364216245 + ... + 364216395.

Almost surely, 254996664320 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 54996664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108777614400).

54996664320 is an abundant number, since it is smaller than the sum of its proper divisors (162558564480).

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

54996664320 is a wasteful number, since it uses less digits than its factorization.

54996664320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 54996664320 in words is "fifty-four billion, nine hundred ninety-six million, six hundred sixty-four thousand, three hundred twenty".