264550 has 48 divisors (see below), whose sum is σ = 593712. Its totient is φ = 86400.

The previous prime is 264529. The next prime is 264553. The reversal of 264550 is 55462.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264553) by changing a digit.

264550 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 (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7132 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (12369).

2²⁶⁴⁵⁵⁰ is an apocalyptic number.

264550 is an abundant number, since it is smaller than the sum of its proper divisors (329162).

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

264550 is a wasteful number, since it uses less digits than its factorization.

264550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 264550 is about 514.3442427013. The cubic root of 264550 is about 64.1952047867.

The spelling of 264550 in words is "two hundred sixty-four thousand, five hundred fifty".