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54485464320 = 283357225221
BaseRepresentation
bin110010101111100101…
…100011010100000000
312012122012000100221000
4302233211203110000
51343041234324240
641010312332000
73636125543130
oct625745432400
9165565010830
1054485464320
112111a695861
12a6870a4000
1351a4127321
1428cc334ac0
15163d561430
hexcaf963500

54485464320 has 288 divisors, whose sum is σ = 220969808640. Its totient is φ = 12453765120.

The previous prime is 54485464289. The next prime is 54485464339. The reversal of 54485464320 is 2346458445.

54485464320 is a `hidden beast` number, since 5 + 4 + 48 + 546 + 43 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129310 + ... + 354530.

It is an arithmetic number, because the mean of its divisors is an integer number (767256280).

Almost surely, 254485464320 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 54485464320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110484904320).

54485464320 is an abundant number, since it is smaller than the sum of its proper divisors (166484344320).

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

54485464320 is a wasteful number, since it uses less digits than its factorization.

54485464320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225258 (or 225238 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 54485464320 in words is "fifty-four billion, four hundred eighty-five million, four hundred sixty-four thousand, three hundred twenty".