554442 has 32 divisors (see below), whose sum is σ = 1300992. Its totient is φ = 154224.

The previous prime is 554431. The next prime is 554447. The reversal of 554442 is 244455.

554442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (554447) by changing a digit.

554442 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, 1653 + ... + 1959.

It is an arithmetic number, because the mean of its divisors is an integer number (40656).

2⁵⁵⁴⁴⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650496).

554442 is an abundant number, since it is smaller than the sum of its proper divisors (746550).

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

554442 is a wasteful number, since it uses less digits than its factorization.

554442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 3200, while the sum is 24.

The square root of 554442 is about 744.6086220290. The cubic root of 554442 is about 82.1521071229.

Adding to 554442 its reverse (244455), we get a palindrome (798897).

The spelling of 554442 in words is "five hundred fifty-four thousand, four hundred forty-two".