555464 has 48 divisors (see below), whose sum is σ = 1316700. Its totient is φ = 217728.

The previous prime is 555461. The next prime is 555487. The reversal of 555464 is 464555.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 4900 = 742^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (555461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5042 + ... + 5150.

2⁵⁵⁵⁴⁶⁴ 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 555464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658350).

555464 is an abundant number, since it is smaller than the sum of its proper divisors (761236).

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

555464 is a wasteful number, since it uses less digits than its factorization.

555464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 555464 is about 745.2945726355. The cubic root of 555464 is about 82.2025529879.

Subtracting from 555464 its reverse (464555), we obtain a palindrome (90909).

The spelling of 555464 in words is "five hundred fifty-five thousand, four hundred sixty-four".