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56755650 = 23527191283
BaseRepresentation
bin1101100010000…
…0010111000010
310221210111010010
43120200113002
5104012140100
65344245350
71256262240
oct330402702
9127714103
1056755650
112a0453a6
1217010856
13b9b2333
147775790
154eb1750
hex36205c2

56755650 has 96 divisors (see below), whose sum is σ = 162275328. Its totient is φ = 12859200.

The previous prime is 56755631. The next prime is 56755661. The reversal of 56755650 is 5655765.

It is a junction number, because it is equal to n+sod(n) for n = 56755599 and 56755608.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200409 + ... + 200691.

It is an arithmetic number, because the mean of its divisors is an integer number (1690368).

Almost surely, 256755650 is an apocalyptic number.

56755650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56755650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81137664).

56755650 is an abundant number, since it is smaller than the sum of its proper divisors (105519678).

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

56755650 is a wasteful number, since it uses less digits than its factorization.

56755650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 56755650 is about 7533.6345809974. The cubic root of 56755650 is about 384.2993948726.

It can be divided in two parts, 5675 and 5650, that added together give a triangular number (11325 = T150).

The spelling of 56755650 in words is "fifty-six million, seven hundred fifty-five thousand, six hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 191 210 283 350 382 525 566 573 849 955 1050 1146 1337 1415 1698 1910 1981 2674 2830 2865 3962 4011 4245 4775 5730 5943 6685 7075 8022 8490 9550 9905 11886 13370 14150 14325 19810 20055 21225 28650 29715 33425 40110 42450 49525 54053 59430 66850 99050 100275 108106 148575 162159 200550 270265 297150 324318 378371 540530 756742 810795 1135113 1351325 1621590 1891855 2270226 2702650 3783710 4053975 5675565 8107950 9459275 11351130 18918550 28377825 56755650