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56541 = 347401
BaseRepresentation
bin1101110011011101
32212120010
431303131
53302131
61113433
7323562
oct156335
985503
1056541
1139531
1228879
131c974
1416869
1511b46
hexdcdd

56541 has 8 divisors (see below), whose sum is σ = 77184. Its totient is φ = 36800.

The previous prime is 56533. The next prime is 56543. The reversal of 56541 is 14565.

It is a happy number.

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 56541 - 23 = 56533 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (9648).

256541 is an apocalyptic number.

It is an amenable number.

56541 is a deficient number, since it is larger than the sum of its proper divisors (20643).

56541 is a wasteful number, since it uses less digits than its factorization.

56541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 600, while the sum is 21.

The square root of 56541 is about 237.7835149879. The cubic root of 56541 is about 38.3814309091.

It can be divided in two parts, 565 and 41, that added together give a palindrome (606).

The spelling of 56541 in words is "fifty-six thousand, five hundred forty-one".

Divisors: 1 3 47 141 401 1203 18847 56541