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54500550 = 235213191471
BaseRepresentation
bin1100111111100…
…1110011000110
310210112220200220
43033321303012
5102423004200
65224045210
71231150506
oct317716306
9123486626
1054500550
1128845085
1216303806
13b3a2a60
147349a06
154bb84a0
hex33f9cc6

54500550 has 96 divisors (see below), whose sum is σ = 153323520. Its totient is φ = 12700800.

The previous prime is 54500543. The next prime is 54500561. The reversal of 54500550 is 5500545.

It is a self number, because there is not a number n which added to its sum of digits gives 54500550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36315 + ... + 37785.

It is an arithmetic number, because the mean of its divisors is an integer number (1597120).

Almost surely, 254500550 is an apocalyptic number.

54500550 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 54500550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76661760).

54500550 is an abundant number, since it is smaller than the sum of its proper divisors (98822970).

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

54500550 is a wasteful number, since it uses less digits than its factorization.

54500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 54500550 is about 7382.4487807231. The cubic root of 54500550 is about 379.1406017317.

The spelling of 54500550 in words is "fifty-four million, five hundred thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 19 25 26 30 38 39 50 57 65 75 78 95 114 130 150 190 195 247 285 325 390 475 494 570 650 741 950 975 1235 1425 1471 1482 1950 2470 2850 2942 3705 4413 6175 7355 7410 8826 12350 14710 18525 19123 22065 27949 36775 37050 38246 44130 55898 57369 73550 83847 95615 110325 114738 139745 167694 191230 220650 279490 286845 363337 419235 478075 573690 698725 726674 838470 956150 1090011 1397450 1434225 1816685 2096175 2180022 2868450 3633370 4192350 5450055 9083425 10900110 18166850 27250275 54500550