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54538650 = 2335271569
BaseRepresentation
bin1101000000001…
…1000110011010
310210121211222000
43100003012122
5102430214100
65224541430
71231366545
oct320030632
9123554860
1054538650
1128870771
1216321876
13b3b71ba
14735985c
154bc4900
hex340319a

54538650 has 96 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 14313600.

The previous prime is 54538637. The next prime is 54538657. The reversal of 54538650 is 5683545.

It is not an unprimeable number, because it can be changed into a prime (54538657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95566 + ... + 96134.

It is an arithmetic number, because the mean of its divisors is an integer number (1590300).

Almost surely, 254538650 is an apocalyptic number.

54538650 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 54538650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76334400).

54538650 is an abundant number, since it is smaller than the sum of its proper divisors (98130150).

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

54538650 is a wasteful number, since it uses less digits than its factorization.

54538650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54538650 is about 7385.0287744869. The cubic root of 54538650 is about 379.2289304558.

The spelling of 54538650 in words is "fifty-four million, five hundred thirty-eight thousand, six hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 71 75 90 135 142 150 213 225 270 355 426 450 569 639 675 710 1065 1138 1278 1350 1707 1775 1917 2130 2845 3195 3414 3550 3834 5121 5325 5690 6390 8535 9585 10242 10650 14225 15363 15975 17070 19170 25605 28450 30726 31950 40399 42675 47925 51210 76815 80798 85350 95850 121197 128025 153630 201995 242394 256050 363591 384075 403990 605985 727182 768150 1009975 1090773 1211970 1817955 2019950 2181546 3029925 3635910 5453865 6059850 9089775 10907730 18179550 27269325 54538650