Search a number
-
+
56546005 = 511309201
BaseRepresentation
bin1101011110110…
…1001011010101
310221101211112111
43113231023111
5103433433010
65335551021
71254430105
oct327551325
9127354474
1056546005
1129a1193a
1216b2b471
13b93aa99
14771d205
154e6e58a
hex35ed2d5

56546005 has 4 divisors (see below), whose sum is σ = 67855212. Its totient is φ = 45236800.

The previous prime is 56546003. The next prime is 56546051. The reversal of 56546005 is 50064565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50064565 = 510012913.

It can be written as a sum of positive squares in 2 ways, for example, as 15046641 + 41499364 = 3879^2 + 6442^2 .

It is not a de Polignac number, because 56546005 - 21 = 56546003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56546003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654596 + ... + 5654605.

It is an arithmetic number, because the mean of its divisors is an integer number (16963803).

Almost surely, 256546005 is an apocalyptic number.

It is an amenable number.

56546005 is a deficient number, since it is larger than the sum of its proper divisors (11309207).

56546005 is a wasteful number, since it uses less digits than its factorization.

56546005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309206.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56546005 is about 7519.7077735774. The cubic root of 56546005 is about 383.8256338171.

The spelling of 56546005 in words is "fifty-six million, five hundred forty-six thousand, five".

Divisors: 1 5 11309201 56546005