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54556090140 = 22351575791517
BaseRepresentation
bin110010110011110010…
…111101111100011100
312012211002220112100010
4302303302331330130
51343212324341030
641021314203220
73640644054246
oct626362757434
9165732815303
1054556090140
1121156544002
12a6a6883510
1351b5954956
1428d787b096
1516448626b0
hexcb3cbdf1c

54556090140 has 48 divisors (see below), whose sum is σ = 153730053792. Its totient is φ = 14455623936.

The previous prime is 54556090139. The next prime is 54556090163. The reversal of 54556090140 is 4109065545.

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, 2886339 + ... + 2905178.

It is an arithmetic number, because the mean of its divisors is an integer number (3202709454).

Almost surely, 254556090140 is an apocalyptic number.

It is an amenable number.

54556090140 is an abundant number, since it is smaller than the sum of its proper divisors (99173963652).

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

54556090140 is a wasteful number, since it uses less digits than its factorization.

54556090140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791686 (or 5791684 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 54556090140 in words is "fifty-four billion, five hundred fifty-six million, ninety thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 157 314 471 628 785 942 1570 1884 2355 3140 4710 9420 5791517 11583034 17374551 23166068 28957585 34749102 57915170 69498204 86872755 115830340 173745510 347491020 909268169 1818536338 2727804507 3637072676 4546340845 5455609014 9092681690 10911218028 13639022535 18185363380 27278045070 54556090140