655050 has 48 divisors (see below), whose sum is σ = 1776672. Its totient is φ = 158400.

The previous prime is 655043. The next prime is 655069. The reversal of 655050 is 50556.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655050.

It is an unprimeable number.

655050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1452 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (37014).

2⁶⁵⁵⁰⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888336).

655050 is an abundant number, since it is smaller than the sum of its proper divisors (1121622).

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

655050 is a wasteful number, since it uses less digits than its factorization.

655050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 655050 is about 809.3515923256. The cubic root of 655050 is about 86.8476657790.

It can be divided in two parts, 65 and 5050, that added together give a palindrome (5115).

The spelling of 655050 in words is "six hundred fifty-five thousand, fifty".