553242 has 32 divisors (see below), whose sum is σ = 1221120. Its totient is φ = 166320.

The previous prime is 553229. The next prime is 553249. The reversal of 553242 is 242355.

553242 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (553249) by changing a digit.

553242 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 15 ways as a sum of consecutive naturals, for example, 2517 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (38160).

2⁵⁵³²⁴² is an apocalyptic number.

553242 is an abundant number, since it is smaller than the sum of its proper divisors (667878).

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

553242 is a wasteful number, since it uses less digits than its factorization.

553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its digits is 1200, while the sum is 21.

The square root of 553242 is about 743.8023931126. The cubic root of 553242 is about 82.0927959980.

Adding to 553242 its reverse (242355), we get a palindrome (795597).

The spelling of 553242 in words is "five hundred fifty-three thousand, two hundred forty-two".