Base | Representation |
---|---|
bin | 1101011110111… |
… | …1100000101100 |
3 | 10221102022122112 |
4 | 3113233200230 |
5 | 103434234224 |
6 | 5340103152 |
7 | 1254500012 |
oct | 327574054 |
9 | 127368575 |
10 | 56555564 |
11 | 29a1903a |
12 | 16b34ab8 |
13 | b942240 |
14 | 77228b2 |
15 | 4e7230e |
hex | 35ef82c |
56555564 has 36 divisors (see below), whose sum is σ = 109417392. Its totient is φ = 25426560.
The previous prime is 56555561. The next prime is 56555567. The reversal of 56555564 is 46555565.
It is an interprime number because it is at equal distance from previous prime (56555561) and next prime (56555567).
It is a Harshad number since it is a multiple of its sum of digits (41).
It is not an unprimeable number, because it can be changed into a prime (56555561) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87089 + ... + 87735.
It is an arithmetic number, because the mean of its divisors is an integer number (3039372).
Almost surely, 256555564 is an apocalyptic number.
It is an amenable number.
56555564 is a deficient number, since it is larger than the sum of its proper divisors (52861828).
56555564 is a wasteful number, since it uses less digits than its factorization.
56555564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 746 (or 703 counting only the distinct ones).
The product of its digits is 450000, while the sum is 41.
The square root of 56555564 is about 7520.3433432258. The cubic root of 56555564 is about 383.8472609418.
Subtracting from 56555564 its reverse (46555565), we obtain a palindrome (9999999).
The spelling of 56555564 in words is "fifty-six million, five hundred fifty-five thousand, five hundred sixty-four".
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