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54919827664 = 24133138863
BaseRepresentation
bin110011001001011110…
…100001000011010000
312020202110100022102021
4303021132201003100
51344433433441124
641121350301224
73652651555432
oct631136410320
9166673308367
1054919827664
11213228a1429
12a788657814
13524310a960
14292dcc2652
1516667617e4
hexcc97a10d0

54919827664 has 80 divisors (see below), whose sum is σ = 118425309184. Its totient is φ = 24527180160.

The previous prime is 54919827643. The next prime is 54919827673. The reversal of 54919827664 is 46672891945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6192097 + ... + 6200959.

Almost surely, 254919827664 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 54919827664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59212654592).

54919827664 is an abundant number, since it is smaller than the sum of its proper divisors (63505481520).

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

54919827664 is an equidigital number, since it uses as much as digits as its factorization.

54919827664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977 (or 8909 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 54919827664 in words is "fifty-four billion, nine hundred nineteen million, eight hundred twenty-seven thousand, six hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 31 52 62 104 124 208 248 403 496 806 961 1612 1922 3224 3844 6448 7688 8863 12493 15376 17726 24986 29791 35452 49972 59582 70904 99944 115219 119164 141808 199888 230438 238328 274753 387283 460876 476656 549506 774566 921752 1099012 1549132 1843504 2198024 3098264 3571789 4396048 6196528 7143578 8517343 14287156 17034686 28574312 34069372 57148624 68138744 110725459 136277488 221450918 264037633 442901836 528075266 885803672 1056150532 1771607344 2112301064 3432489229 4224602128 6864978458 13729956916 27459913832 54919827664