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56580481 is a prime number
BaseRepresentation
bin1101011111010…
…1100110000001
310221110120211101
43113311212001
5103441033411
65340414401
71254632446
oct327654601
9127416741
1056580481
1129a35831
1216b47401
13b950699
14772b9cd
154e798c1
hex35f5981

56580481 has 2 divisors, whose sum is σ = 56580482. Its totient is φ = 56580480.

The previous prime is 56580467. The next prime is 56580523. The reversal of 56580481 is 18408565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 7929856 = 6975^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 56580481 - 211 = 56578433 is a prime.

It is a super-2 number, since 2×565804812 = 6402701660382722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56580481.

It is not a weakly prime, because it can be changed into another prime (56580401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28290240 + 28290241.

It is an arithmetic number, because the mean of its divisors is an integer number (28290241).

Almost surely, 256580481 is an apocalyptic number.

It is an amenable number.

56580481 is a deficient number, since it is larger than the sum of its proper divisors (1).

56580481 is an equidigital number, since it uses as much as digits as its factorization.

56580481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 56580481 is about 7521.9998005849. Note that the first 3 decimals coincide. The cubic root of 56580481 is about 383.9036239075.

The spelling of 56580481 in words is "fifty-six million, five hundred eighty thousand, four hundred eighty-one".