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55897650930 = 23511312176261
BaseRepresentation
bin110100000011110000…
…100111011011110010
312100021121021212202210
4310003300213123302
51403434244312210
641402400352550
74016124123222
oct640360473362
9170247255683
1055897650930
1121784848530
12aa00015756
13536a8819c4
1429c3ada082
1516c2511e20
hexd03c276f2

55897650930 has 96 divisors (see below), whose sum is σ = 151224335424. Its totient is φ = 13113744000.

The previous prime is 55897650923. The next prime is 55897650931. The reversal of 55897650930 is 3905679855.

55897650930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55897650931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229000 + ... + 405260.

It is an arithmetic number, because the mean of its divisors is an integer number (1575253494).

Almost surely, 255897650930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55897650930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75612167712).

55897650930 is an abundant number, since it is smaller than the sum of its proper divisors (95326684494).

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

55897650930 is a wasteful number, since it uses less digits than its factorization.

55897650930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176344 (or 176313 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 57.

It can be divided in two parts, 558976 and 50930, that added together give a palindrome (609906).

The spelling of 55897650930 in words is "fifty-five billion, eight hundred ninety-seven million, six hundred fifty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 155 165 186 310 330 341 465 682 930 961 1023 1705 1922 2046 2883 3410 4805 5115 5766 9610 10230 10571 14415 21142 28830 31713 52855 63426 105710 158565 176261 317130 352522 528783 881305 1057566 1762610 1938871 2643915 3877742 5287830 5464091 5816613 9694355 10928182 11633226 16392273 19388710 27320455 29083065 32784546 54640910 58166130 60105001 81961365 120210002 163922730 169386821 180315003 300525005 338773642 360630006 508160463 601050010 846934105 901575015 1016320926 1693868210 1803150030 1863255031 2540802315 3726510062 5081604630 5589765093 9316275155 11179530186 18632550310 27948825465 55897650930