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56563801 = 726213083
BaseRepresentation
bin1101011111000…
…1100001011001
310221102201221121
43113301201121
5103440020201
65340205241
71254533020
oct327614131
9127381847
1056563801
1129a24248
1216b39821
13b945c08
1477258b7
154e749a1
hex35f1859

56563801 has 8 divisors (see below), whose sum is σ = 64689984. Its totient is φ = 48449040.

The previous prime is 56563781. The next prime is 56563807. The reversal of 56563801 is 10836565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56563801 - 225 = 23009369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56563807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16806 + ... + 19888.

It is an arithmetic number, because the mean of its divisors is an integer number (8086248).

Almost surely, 256563801 is an apocalyptic number.

It is an amenable number.

56563801 is a deficient number, since it is larger than the sum of its proper divisors (8126183).

56563801 is a wasteful number, since it uses less digits than its factorization.

56563801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56563801 is about 7520.8909711549. The cubic root of 56563801 is about 383.8658951025.

The spelling of 56563801 in words is "fifty-six million, five hundred sixty-three thousand, eight hundred one".

Divisors: 1 7 2621 3083 18347 21581 8080543 56563801