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53717550432 = 25371323311429
BaseRepresentation
bin110010000001110100…
…001100010101100000
312010122200001022002220
4302001310030111200
51340003143103212
640402201311040
73611112434130
oct620164142540
9163580038086
1053717550432
112086617a787
12a4b1a95480
1350b0cc9b00
14285835cac0
1515e5e2638c
hexc81d0c560

53717550432 has 288 divisors, whose sum is σ = 175152257280. Its totient is φ = 14114580480.

The previous prime is 53717550421. The next prime is 53717550451. The reversal of 53717550432 is 23405571735.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37590294 + ... + 37591722.

It is an arithmetic number, because the mean of its divisors is an integer number (608167560).

Almost surely, 253717550432 is an apocalyptic number.

53717550432 is a gapful number since it is divisible by the number (52) 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 53717550432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87576128640).

53717550432 is an abundant number, since it is smaller than the sum of its proper divisors (121434706848).

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

53717550432 is a wasteful number, since it uses less digits than its factorization.

53717550432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 53717550432 in words is "fifty-three billion, seven hundred seventeen million, five hundred fifty thousand, four hundred thirty-two".