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56559893 = 134350761
BaseRepresentation
bin1101011111000…
…0100100010101
310221102112120212
43113300210111
5103434404033
65340135205
71254515435
oct327604425
9127375525
1056559893
1129a21315
1216b37505
13b9441c0
1477242c5
154e73748
hex35f0915

56559893 has 4 divisors (see below), whose sum is σ = 60910668. Its totient is φ = 52209120.

The previous prime is 56559863. The next prime is 56559907. The reversal of 56559893 is 39895565.

56559893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39895565 = 57979113.

It can be written as a sum of positive squares in 2 ways, for example, as 11710084 + 44849809 = 3422^2 + 6697^2 .

It is a cyclic number.

It is not a de Polignac number, because 56559893 - 210 = 56558869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56559823) 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 3 ways as a sum of consecutive naturals, for example, 2175368 + ... + 2175393.

It is an arithmetic number, because the mean of its divisors is an integer number (15227667).

Almost surely, 256559893 is an apocalyptic number.

It is an amenable number.

56559893 is a deficient number, since it is larger than the sum of its proper divisors (4350775).

56559893 is a wasteful number, since it uses less digits than its factorization.

56559893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350774.

The product of its digits is 1458000, while the sum is 50.

The square root of 56559893 is about 7520.6311570240. The cubic root of 56559893 is about 383.8570544515.

The spelling of 56559893 in words is "fifty-six million, five hundred fifty-nine thousand, eight hundred ninety-three".

Divisors: 1 13 4350761 56559893