565950 has 96 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 117600.

The previous prime is 565937. The next prime is 565973. The reversal of 565950 is 59565.

565950 = 21² + 22² + ... + 119².

It is a happy number.

565950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

565950 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 47 ways as a sum of consecutive naturals, for example, 51445 + ... + 51455.

It is an arithmetic number, because the mean of its divisors is an integer number (18600).

2⁵⁶⁵⁹⁵⁰ is an apocalyptic number.

565950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 565950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892800).

565950 is an abundant number, since it is smaller than the sum of its proper divisors (1219650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565950 is a wasteful number, since it uses less digits than its factorization.

565950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 565950 is about 752.2964841072. The cubic root of 565950 is about 82.7166025327.

It can be divided in two parts, 56 and 5950, that added together give a palindrome (6006).

The spelling of 565950 in words is "five hundred sixty-five thousand, nine hundred fifty".