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55946000 = 2453112543
BaseRepresentation
bin1101010101101…
…0101100010000
310220021100111002
43111122230100
5103310233000
65315041132
71246350605
oct325325420
9126240432
1055946000
1129642070
12168a01a8
13b78a956
1476046ac
154da18d5
hex355ab10

55946000 has 80 divisors (see below), whose sum is σ = 147633408. Its totient is φ = 20336000.

The previous prime is 55945999. The next prime is 55946029. The reversal of 55946000 is 64955.

It is a tau number, because it is divible by the number of its divisors (80).

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, 20729 + ... + 23271.

Almost surely, 255946000 is an apocalyptic number.

55946000 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 55946000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73816704).

55946000 is an abundant number, since it is smaller than the sum of its proper divisors (91687408).

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

55946000 is a wasteful number, since it uses less digits than its factorization.

55946000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55946000 is about 7479.7058765703. The cubic root of 55946000 is about 382.4632228584.

The spelling of 55946000 in words is "fifty-five million, nine hundred forty-six thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 1000 1100 1375 2000 2200 2543 2750 4400 5086 5500 10172 11000 12715 20344 22000 25430 27973 40688 50860 55946 63575 101720 111892 127150 139865 203440 223784 254300 279730 317875 447568 508600 559460 635750 699325 1017200 1118920 1271500 1398650 2237840 2543000 2797300 3496625 5086000 5594600 6993250 11189200 13986500 27973000 55946000