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54332551840 = 255757918377
BaseRepresentation
bin110010100110011110…
…001111001010100000
312012020112021121102211
4302212132033022200
51342233113124330
640543211051504
73632261033140
oct624636171240
9165215247384
1054332551840
1121051344406
12a643a40b94
13517b548878
1428b5ccc920
15162ee08d2a
hexca678f2a0

54332551840 has 96 divisors (see below), whose sum is σ = 146740737024. Its totient is φ = 18622863360.

The previous prime is 54332551799. The next prime is 54332551841. The reversal of 54332551840 is 4815523345.

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

It is a junction number, because it is equal to n+sod(n) for n = 54332551793 and 54332551802.

It is not an unprimeable number, because it can be changed into a prime (54332551841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6481732 + ... + 6490108.

It is an arithmetic number, because the mean of its divisors is an integer number (1528549344).

Almost surely, 254332551840 is an apocalyptic number.

It is an amenable number.

54332551840 is an abundant number, since it is smaller than the sum of its proper divisors (92408185184).

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

54332551840 is a wasteful number, since it uses less digits than its factorization.

54332551840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190 (or 14182 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 54332551840 in words is "fifty-four billion, three hundred thirty-two million, five hundred fifty-one thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 5791 8377 11582 16754 23164 28955 33508 40537 41885 46328 57910 58639 67016 81074 83770 92656 115820 117278 134032 162148 167540 185312 202685 231640 234556 268064 293195 324296 335080 405370 463280 469112 586390 648592 670160 810740 926560 938224 1172780 1297184 1340320 1621480 1876448 2345560 3242960 4691120 6485920 9382240 48511207 97022414 194044828 242556035 339578449 388089656 485112070 679156898 776179312 970224140 1358313796 1552358624 1697892245 1940448280 2716627592 3395784490 3880896560 5433255184 6791568980 7761793120 10866510368 13583137960 27166275920 54332551840