Search a number
-
+
54868409556 = 22337123577499
BaseRepresentation
bin110011000110011010…
…010111110011010100
312020121212121000000220
4303012122113303110
51344332303101211
641112312234340
73651455533422
oct630632276324
9166555530026
1054868409556
11212a6872224
12a77339b9b0
135235576c3c
14292713a112
151661ea6806
hexcc6697cd4

54868409556 has 24 divisors (see below), whose sum is σ = 131486460000. Its totient is φ = 17795159712.

The previous prime is 54868409521. The next prime is 54868409599. The reversal of 54868409556 is 65590486845.

It is a self number, because there is not a number n which added to its sum of digits gives 54868409556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61788306 + ... + 61789193.

It is an arithmetic number, because the mean of its divisors is an integer number (5478602500).

Almost surely, 254868409556 is an apocalyptic number.

It is an amenable number.

54868409556 is an abundant number, since it is smaller than the sum of its proper divisors (76618050444).

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

54868409556 is a wasteful number, since it uses less digits than its factorization.

54868409556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123577543 (or 123577541 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 54868409556 in words is "fifty-four billion, eight hundred sixty-eight million, four hundred nine thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 123577499 247154998 370732497 494309996 741464994 1482929988 4572367463 9144734926 13717102389 18289469852 27434204778 54868409556