553146 has 48 divisors (see below), whose sum is σ = 1326240. Its totient is φ = 152320.

The previous prime is 553141. The next prime is 553153. The reversal of 553146 is 641355.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19060 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

2⁵⁵³¹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663120).

553146 is an abundant number, since it is smaller than the sum of its proper divisors (773094).

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

553146 is a wasteful number, since it uses less digits than its factorization.

553146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 62 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 553146 is about 743.7378570437. The cubic root of 553146 is about 82.0880474043.

Subtracting 553146 from its reverse (641355), we obtain a square (88209 = 297²).

The spelling of 553146 in words is "five hundred fifty-three thousand, one hundred forty-six".