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55983760 = 245799971
BaseRepresentation
bin1101010110001…
…1111010010000
310220100021021121
43111203322100
5103312440020
65315532024
71246565650
oct325437220
9126307247
1055983760
1129668478
12168ba014
13b7a1bb1
147614360
154dacbaa
hex3563e90

55983760 has 40 divisors (see below), whose sum is σ = 148758336. Its totient is φ = 19194240.

The previous prime is 55983757. The next prime is 55983821. The reversal of 55983760 is 6738955.

55983760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49426 + ... + 50545.

Almost surely, 255983760 is an apocalyptic number.

It is an amenable number.

55983760 is an abundant number, since it is smaller than the sum of its proper divisors (92774576).

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

55983760 is a wasteful number, since it uses less digits than its factorization.

55983760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99991 (or 99985 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55983760 is about 7482.2296142260. The cubic root of 55983760 is about 382.5492496426.

The spelling of 55983760 in words is "fifty-five million, nine hundred eighty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 99971 199942 399884 499855 699797 799768 999710 1399594 1599536 1999420 2799188 3498985 3998840 5598376 6997970 7997680 11196752 13995940 27991880 55983760