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54955500400 = 24523173471249
BaseRepresentation
bin110011001011100110…
…100110001101110000
312020211221110200012201
4303023212212031300
51400022102003100
641125103032544
73653564021533
oct631346461560
9166757420181
1054955500400
1121340a46929
12a79859b754
13524a61a998
14293492aa1a
15166995b36a
hexccb9a6370

54955500400 has 120 divisors (see below), whose sum is σ = 132935130000. Its totient is φ = 21832212480.

The previous prime is 54955500371. The next prime is 54955500401. The reversal of 54955500400 is 400555945.

54955500400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54955500400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54955500401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43998976 + ... + 44000224.

It is an arithmetic number, because the mean of its divisors is an integer number (1107792750).

Almost surely, 254955500400 is an apocalyptic number.

54955500400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54955500400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66467565000).

54955500400 is an abundant number, since it is smaller than the sum of its proper divisors (77979629600).

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

54955500400 is a wasteful number, since it uses less digits than its factorization.

54955500400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 54955500400 in words is "fifty-four billion, nine hundred fifty-five million, five hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 317 347 400 634 694 1249 1268 1388 1585 1735 2498 2536 2776 3170 3470 4996 5072 5552 6245 6340 6940 7925 8675 9992 12490 12680 13880 15850 17350 19984 24980 25360 27760 31225 31700 34700 49960 62450 63400 69400 99920 109999 124900 126800 138800 219998 249800 395933 433403 439996 499600 549995 791866 866806 879992 1099990 1583732 1733612 1759984 1979665 2167015 2199980 2749975 3167464 3467224 3959330 4334030 4399960 5499950 6334928 6934448 7918660 8668060 8799920 9898325 10835075 10999900 15837320 17336120 19796650 21670150 21999800 31674640 34672240 39593300 43340300 43999600 79186600 86680600 137388751 158373200 173361200 274777502 549555004 686943755 1099110008 1373887510 2198220016 2747775020 3434718775 5495550040 6869437550 10991100080 13738875100 27477750200 54955500400