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53666092480 = 26571113239701
BaseRepresentation
bin110001111110101111…
…111001010111000000
312010112002012222001211
4301332233321113000
51334402004424410
640353122335504
73606616155010
oct617657712700
9163462188054
1053666092480
112083a123650
12a4987ba594
1350a3450c10
1428515a5c40
1515e165e68a
hexc7ebf95c0

53666092480 has 448 divisors, whose sum is σ = 172545085440. Its totient is φ = 15353856000.

The previous prime is 53666092457. The next prime is 53666092489. The reversal of 53666092480 is 8429066635.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53666092489) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76556130 + ... + 76556830.

It is an arithmetic number, because the mean of its divisors is an integer number (385145280).

Almost surely, 253666092480 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 53666092480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86272542720).

53666092480 is an abundant number, since it is smaller than the sum of its proper divisors (118878992960).

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

53666092480 is a wasteful number, since it uses less digits than its factorization.

53666092480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 53666092480 in words is "fifty-three billion, six hundred sixty-six million, ninety-two thousand, four hundred eighty".