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56255562 = 232112231123
BaseRepresentation
bin1101011010011…
…0010001001010
310220212002010100
43112212101022
5103400134222
65325430230
71252110246
oct326462112
9126762110
1056255562
1129833700
1216a0b376
13b86881c
147685426
154e134ac
hex35a644a

56255562 has 72 divisors (see below), whose sum is σ = 139924512. Its totient is φ = 16291440.

The previous prime is 56255557. The next prime is 56255579. The reversal of 56255562 is 26555265.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49533 + ... + 50655.

It is an arithmetic number, because the mean of its divisors is an integer number (1943396).

Almost surely, 256255562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56255562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69962256).

56255562 is an abundant number, since it is smaller than the sum of its proper divisors (83668950).

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

56255562 is a wasteful number, since it uses less digits than its factorization.

56255562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1162 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 56255562 is about 7500.3707908343. The cubic root of 56255562 is about 383.1673445600.

The spelling of 56255562 in words is "fifty-six million, two hundred fifty-five thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 23 33 46 66 69 99 121 138 198 207 242 253 363 414 506 726 759 1089 1123 1518 2178 2246 2277 2783 3369 4554 5566 6738 8349 10107 12353 16698 20214 24706 25047 25829 37059 50094 51658 74118 77487 111177 135883 154974 222354 232461 271766 284119 407649 464922 568238 815298 852357 1222947 1704714 2445894 2557071 3125309 5114142 6250618 9375927 18751854 28127781 56255562