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54849640000 = 265411712
BaseRepresentation
bin110011000101010010…
…110001011001000000
312020120120021102001011
4303011102301121000
51344313001440000
641110402050304
73651140150611
oct630522613100
9166516242034
1054849640000
11212972123a1
12a769049994
1352317048ac
142924851c08
1516604ea2ba
hexcc54b1640

54849640000 has 105 divisors (see below), whose sum is σ = 136125528231. Its totient is φ = 21921120000.

The previous prime is 54849639979. The next prime is 54849640007. The reversal of 54849640000 is 4694845.

The square root of 54849640000 is 234200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 4300211776 + 50549428224 = 65576^2 + 224832^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54849640007) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 46839415 + ... + 46840585.

Almost surely, 254849640000 is an apocalyptic number.

54849640000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54849640000 is the 234200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54849640000

54849640000 is an abundant number, since it is smaller than the sum of its proper divisors (81275888231).

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

54849640000 is an frugal number, since it uses more digits than its factorization.

54849640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 54849640000 in words is "fifty-four billion, eight hundred forty-nine million, six hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1171 1250 1600 2000 2342 2500 4000 4684 5000 5855 8000 9368 10000 11710 18736 20000 23420 29275 37472 40000 46840 58550 74944 93680 117100 146375 187360 234200 292750 374720 468400 585500 731875 936800 1171000 1371241 1463750 1873600 2342000 2742482 2927500 4684000 5484964 5855000 6856205 9368000 10969928 11710000 13712410 21939856 23420000 27424820 34281025 43879712 46840000 54849640 68562050 87759424 109699280 137124100 171405125 219398560 274248200 342810250 438797120 548496400 685620500 857025625 1096992800 1371241000 1714051250 2193985600 2742482000 3428102500 5484964000 6856205000 10969928000 13712410000 27424820000 54849640000