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54563245856 = 257243585919
BaseRepresentation
bin110010110100001110…
…010000111100100000
312012211121101002010122
4302310032100330200
51343221142331411
641022131415412
73641061636350
oct626416207440
9165747332118
1054563245856
112115a591219
12a6a9154568
1351b728b9c2
1428d87c0b60
1516452c79db
hexcb4390f20

54563245856 has 24 divisors (see below), whose sum is σ = 122767303680. Its totient is φ = 23384248128.

The previous prime is 54563245823. The next prime is 54563245859. The reversal of 54563245856 is 65854236545.

It is a junction number, because it is equal to n+sod(n) for n = 54563245798 and 54563245807.

It is not an unprimeable number, because it can be changed into a prime (54563245859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121792736 + ... + 121793183.

It is an arithmetic number, because the mean of its divisors is an integer number (5115304320).

Almost surely, 254563245856 is an apocalyptic number.

54563245856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54563245856 is an abundant number, since it is smaller than the sum of its proper divisors (68204057824).

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

54563245856 is a wasteful number, since it uses less digits than its factorization.

54563245856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243585936 (or 243585928 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 53.

The spelling of 54563245856 in words is "fifty-four billion, five hundred sixty-three million, two hundred forty-five thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 243585919 487171838 974343676 1705101433 1948687352 3410202866 3897374704 6820405732 7794749408 13640811464 27281622928 54563245856