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56522565 = 32511891283
BaseRepresentation
bin1101011110011…
…1011101000101
310221100122101100
43113213131011
5103432210230
65335250313
71254301551
oct327473505
9127318340
1056522565
11299a6270
1216b19999
13b930208
147714861
154e67660
hex35e7745

56522565 has 48 divisors (see below), whose sum is σ = 108164160. Its totient is φ = 27075840.

The previous prime is 56522563. The next prime is 56522581.

56522565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56522565 - 21 = 56522563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56522563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43414 + ... + 44696.

It is an arithmetic number, because the mean of its divisors is an integer number (2253420).

Almost surely, 256522565 is an apocalyptic number.

56522565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56522565 is a deficient number, since it is larger than the sum of its proper divisors (51641595).

56522565 is a wasteful number, since it uses less digits than its factorization.

56522565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1391 counting only the distinct ones).

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

The square root of 56522565 is about 7518.1490408212. The cubic root of 56522565 is about 383.7725907754.

The spelling of 56522565 in words is "fifty-six million, five hundred twenty-two thousand, five hundred sixty-five".

Divisors: 1 3 5 9 11 15 33 45 55 89 99 165 267 445 495 801 979 1283 1335 2937 3849 4005 4895 6415 8811 11547 14113 14685 19245 42339 44055 57735 70565 114187 127017 211695 342561 570935 635085 1027683 1256057 1712805 3768171 5138415 6280285 11304513 18840855 56522565