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56504800 = 2552116421
BaseRepresentation
bin1101011110001…
…1000111100000
310221022202000101
43113203013200
5103431123200
65335032144
71254166012
oct327430740
9127282011
1056504800
1129993990
1216b0b654
13b9250c1
14770c1b2
154e6226a
hex35e31e0

56504800 has 72 divisors (see below), whose sum is σ = 150505992. Its totient is φ = 20544000.

The previous prime is 56504783. The next prime is 56504807. The reversal of 56504800 is 840565.

56504800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56504807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5590 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (2090361).

Almost surely, 256504800 is an apocalyptic number.

56504800 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 56504800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75252996).

56504800 is an abundant number, since it is smaller than the sum of its proper divisors (94001192).

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

56504800 is a wasteful number, since it uses less digits than its factorization.

56504800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452 (or 6439 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 56504800 is about 7516.9674736558. The cubic root of 56504800 is about 383.7323800827.

The spelling of 56504800 in words is "fifty-six million, five hundred four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1760 2200 4400 6421 8800 12842 25684 32105 51368 64210 70631 102736 128420 141262 160525 205472 256840 282524 321050 353155 513680 565048 642100 706310 1027360 1130096 1284200 1412620 1765775 2260192 2568400 2825240 3531550 5136800 5650480 7063100 11300960 14126200 28252400 56504800