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56159 = 89631
BaseRepresentation
bin1101101101011111
32212000222
431231133
53244114
61111555
7322505
oct155537
985028
1056159
1139214
12285bb
131c73c
1416675
151198e
hexdb5f

56159 has 4 divisors (see below), whose sum is σ = 56880. Its totient is φ = 55440.

The previous prime is 56149. The next prime is 56167. The reversal of 56159 is 95165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56159 - 28 = 55903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56149) 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, 227 + ... + 404.

It is an arithmetic number, because the mean of its divisors is an integer number (14220).

256159 is an apocalyptic number.

56159 is a deficient number, since it is larger than the sum of its proper divisors (721).

56159 is an equidigital number, since it uses as much as digits as its factorization.

56159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 1350, while the sum is 26.

The square root of 56159 is about 236.9789020145. The cubic root of 56159 is about 38.2947984946.

The spelling of 56159 in words is "fifty-six thousand, one hundred fifty-nine".

Divisors: 1 89 631 56159