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54717680056 = 23133673143243
BaseRepresentation
bin110010111101011011…
…011000100110111000
312020020100222011000211
4302331123120212320
51344030211230211
641045325440504
73644645415004
oct627533304670
9166210864024
1054717680056
1121229781996
12a730a10134
135210280ca0
142911101704
151653b30e21
hexcbd6d89b8

54717680056 has 32 divisors (see below), whose sum is σ = 110518475760. Its totient is φ = 25247261952.

The previous prime is 54717680051. The next prime is 54717680063. The reversal of 54717680056 is 65008671745.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54717679991 and 54717680009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54717680051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310371 + ... + 453613.

Almost surely, 254717680056 is an apocalyptic number.

It is an amenable number.

54717680056 is an abundant number, since it is smaller than the sum of its proper divisors (55800795704).

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

54717680056 is a wasteful number, since it uses less digits than its factorization.

54717680056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146935 (or 146931 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 54717680056 in words is "fifty-four billion, seven hundred seventeen million, six hundred eighty thousand, fifty-six".

Divisors: 1 2 4 8 13 26 52 104 3673 7346 14692 29384 47749 95498 143243 190996 286486 381992 572972 1145944 1862159 3724318 7448636 14897272 526131539 1052263078 2104526156 4209052312 6839710007 13679420014 27358840028 54717680056