550464 has 56 divisors (see below), whose sum is σ = 1511808. Its totient is φ = 176640.

The previous prime is 550457. The next prime is 550469. The reversal of 550464 is 464055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994 + ... + 9054.

2⁵⁵⁰⁴⁶⁴ 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 550464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755904).

550464 is an abundant number, since it is smaller than the sum of its proper divisors (961344).

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

550464 is a wasteful number, since it uses less digits than its factorization.

550464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 550464 is about 741.9326114951. The cubic root of 550464 is about 81.9551608911.

The spelling of 550464 in words is "five hundred fifty thousand, four hundred sixty-four".