662550 has 48 divisors (see below), whose sum is σ = 1880832. Its totient is φ = 151200.

The previous prime is 662539. The next prime is 662551. The reversal of 662550 is 55266.

It is a self number, because there is not a number n which added to its sum of digits gives 662550.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662550.

It is not an unprimeable number, because it can be changed into a prime (662551) by changing a digit.

662550 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 23 ways as a sum of consecutive naturals, for example, 735 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (39184).

2⁶⁶²⁵⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940416).

662550 is an abundant number, since it is smaller than the sum of its proper divisors (1218282).

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

662550 is a wasteful number, since it uses less digits than its factorization.

662550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 662550 is about 813.9717439813. The cubic root of 662550 is about 87.1778631067.

The spelling of 662550 in words is "six hundred sixty-two thousand, five hundred fifty".