553432 has 32 divisors (see below), whose sum is σ = 1195200. Its totient is φ = 237600.

The previous prime is 553417. The next prime is 553433. The reversal of 553432 is 234355.

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

It is a d-powerful number, because it can be written as 5⁵ + 5⁵ + 4⁵ + 3⁷ + 3⁹ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553433) by changing a digit.

553432 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 7 ways as a sum of consecutive naturals, for example, 1507 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (37350).

2⁵⁵³⁴³² 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 553432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597600).

553432 is an abundant number, since it is smaller than the sum of its proper divisors (641768).

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

553432 is a wasteful number, since it uses less digits than its factorization.

553432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its digits is 1800, while the sum is 22.

The square root of 553432 is about 743.9301042437. The cubic root of 553432 is about 82.1021926369.

Adding to 553432 its reverse (234355), we get a palindrome (787787).

The spelling of 553432 in words is "five hundred fifty-three thousand, four hundred thirty-two".