63560 has 32 divisors (see below), whose sum is σ = 164160. Its totient is φ = 21696.
The previous prime is 63559. The next prime is 63577. The reversal of 63560 is 6536.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 393.
It is an arithmetic number, because the mean of its divisors is an integer number (5130).
263560 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82080).
63560 is an abundant number, since it is smaller than the sum of its proper divisors (100600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63560 is a wasteful number, since it uses less digits than its factorization.
63560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245 (or 241 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 63560 is about 252.1110866265. Note that the first 3 decimals coincide. The cubic root of 63560 is about 39.9081224578.
The spelling of 63560 in words is "sixty-three thousand, five hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •