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54217668 = 22343179587
BaseRepresentation
bin1100111011010…
…0101111000100
310210000112122210
43032310233010
5102334431133
65214023420
71225562001
oct316645704
9123015583
1054217668
112867159a
12161a7b70
13b30407b
1472b48a8
154b5e763
hex33b4bc4

54217668 has 48 divisors (see below), whose sum is σ = 130394880. Its totient is φ = 17523744.

The previous prime is 54217663. The next prime is 54217679. The reversal of 54217668 is 86671245.

It is a house number.

It is not an unprimeable number, because it can be changed into a prime (54217661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92071 + ... + 92657.

It is an arithmetic number, because the mean of its divisors is an integer number (2716560).

Almost surely, 254217668 is an apocalyptic number.

It is an amenable number.

54217668 is an abundant number, since it is smaller than the sum of its proper divisors (76177212).

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

54217668 is a wasteful number, since it uses less digits than its factorization.

54217668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 54217668 is about 7363.2647650346. The cubic root of 54217668 is about 378.4834942926.

The spelling of 54217668 in words is "fifty-four million, two hundred seventeen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 179 258 358 516 537 587 716 1074 1174 1761 2148 2348 3522 7044 7697 15394 23091 25241 30788 46182 50482 75723 92364 100964 105073 151446 210146 302892 315219 420292 630438 1260876 4518139 9036278 13554417 18072556 27108834 54217668