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54800550 = 2345271933
BaseRepresentation
bin1101000100001…
…1000010100110
310211010011020000
43101003002212
5103012104200
65234322130
71233540240
oct321030246
9124104200
1054800550
1128a2a512
1216429346
13b47947c
1473c7090
154c27300
hex34430a6

54800550 has 120 divisors (see below), whose sum is σ = 174106416. Its totient is φ = 12519360.

The previous prime is 54800539. The next prime is 54800563. The reversal of 54800550 is 5500845.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 27384 + ... + 29316.

Almost surely, 254800550 is an apocalyptic number.

54800550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54800550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87053208).

54800550 is an abundant number, since it is smaller than the sum of its proper divisors (119305866).

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

54800550 is a wasteful number, since it uses less digits than its factorization.

54800550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 54800550 is about 7402.7393578323. The cubic root of 54800550 is about 379.8349929948.

The spelling of 54800550 in words is "fifty-four million, eight hundred thousand, five hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 150 162 175 189 210 225 270 315 350 378 405 450 525 567 630 675 810 945 1050 1134 1350 1575 1890 1933 2025 2835 3150 3866 4050 4725 5670 5799 9450 9665 11598 13531 14175 17397 19330 27062 28350 28995 34794 40593 48325 52191 57990 67655 81186 86985 96650 104382 121779 135310 144975 156573 173970 202965 243558 260955 289950 313146 338275 365337 405930 434925 521910 608895 676550 730674 782865 869850 1014825 1096011 1217790 1304775 1565730 1826685 2029650 2192022 2609550 3044475 3653370 3914325 5480055 6088950 7828650 9133425 10960110 18266850 27400275 54800550