Search a number
-
+
54056560 = 2453171307
BaseRepresentation
bin1100111000110…
…1011001110000
310202201100122211
43032031121300
5102314302220
65210341504
71224321205
oct316153160
9122640584
1054056560
1128571548
121612a894
13b27893c
147271cac
154b2bb5a
hex338d670

54056560 has 80 divisors (see below), whose sum is σ = 131991552. Its totient is φ = 20563200.

The previous prime is 54056557. The next prime is 54056579. The reversal of 54056560 is 6565045.

54056560 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 (80).

It is a super-2 number, since 2×540565602 = 5844223358067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 175927 + ... + 176233.

Almost surely, 254056560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54056560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65995776).

54056560 is an abundant number, since it is smaller than the sum of its proper divisors (77934992).

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

54056560 is a wasteful number, since it uses less digits than its factorization.

54056560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 54056560 is about 7352.3166417123. The cubic root of 54056560 is about 378.1082339856.

The spelling of 54056560 in words is "fifty-four million, fifty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 71 80 124 142 155 248 284 307 310 355 496 568 614 620 710 1136 1228 1240 1420 1535 2201 2456 2480 2840 3070 4402 4912 5680 6140 8804 9517 11005 12280 17608 19034 21797 22010 24560 35216 38068 43594 44020 47585 76136 87188 88040 95170 108985 152272 174376 176080 190340 217970 348752 380680 435940 675707 761360 871880 1351414 1743760 2702828 3378535 5405656 6757070 10811312 13514140 27028280 54056560