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56590 = 255659
BaseRepresentation
bin1101110100001110
32212121221
431310032
53302330
61113554
7323662
oct156416
985557
1056590
1139576
12288ba
131c9b1
14168a2
1511b7a
hexdd0e

56590 has 8 divisors (see below), whose sum is σ = 101880. Its totient is φ = 22632.

The previous prime is 56569. The next prime is 56591. The reversal of 56590 is 9565.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56591) by changing a digit.

56590 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (12735).

256590 is an apocalyptic number.

56590 is a deficient number, since it is larger than the sum of its proper divisors (45290).

56590 is a wasteful number, since it uses less digits than its factorization.

56590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 56590 is about 237.8865275714. The cubic root of 56590 is about 38.3925151789.

Subtracting from 56590 its sum of digits (25), we obtain a palindrome (56565).

It can be divided in two parts, 56 and 590, that added together give a palindrome (646).

The spelling of 56590 in words is "fifty-six thousand, five hundred ninety".

Divisors: 1 2 5 10 5659 11318 28295 56590