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55214143744 = 281039912113
BaseRepresentation
bin110011011011000001…
…001111100100000000
312021111222011010011211
4303123001033210000
51401034310044434
641210502415504
73663154323004
oct633301174400
9167458133154
1055214143744
1121463a43461
12a84b131594
13528c098596
14295b016704
1516824eb464
hexcdb04f900

55214143744 has 72 divisors (see below), whose sum is σ = 111447644672. Its totient is φ = 27298529280.

The previous prime is 55214143729. The next prime is 55214143757. The reversal of 55214143744 is 44734141255.

It is a junction number, because it is equal to n+sod(n) for n = 55214143697 and 55214143706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26129632 + ... + 26131744.

Almost surely, 255214143744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55214143744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55723822336).

55214143744 is an abundant number, since it is smaller than the sum of its proper divisors (56233500928).

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

55214143744 is a wasteful number, since it uses less digits than its factorization.

55214143744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3209 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

Adding to 55214143744 its reverse (44734141255), we get a palindrome (99948284999).

The spelling of 55214143744 in words is "fifty-five billion, two hundred fourteen million, one hundred forty-three thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 103 128 206 256 412 824 991 1648 1982 2113 3296 3964 4226 6592 7928 8452 13184 15856 16904 26368 31712 33808 63424 67616 102073 126848 135232 204146 217639 253696 270464 408292 435278 540928 816584 870556 1633168 1741112 2093983 3266336 3482224 4187966 6532672 6964448 8375932 13065344 13928896 16751864 26130688 27857792 33503728 55715584 67007456 134014912 215680249 268029824 431360498 536059648 862720996 1725441992 3450883984 6901767968 13803535936 27607071872 55214143744