553428 has 18 divisors (see below), whose sum is σ = 1399034. Its totient is φ = 184464.

The previous prime is 553417. The next prime is 553433. The reversal of 553428 is 824355.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 242064 = 558^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7651 + ... + 7722.

2⁵⁵³⁴²⁸ is an apocalyptic number.

It is an amenable number.

553428 is an abundant number, since it is smaller than the sum of its proper divisors (845606).

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

553428 is a wasteful number, since it uses less digits than its factorization.

553428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383 (or 15378 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 553428 is about 743.9274158142. The cubic root of 553428 is about 82.1019948351.

Subtracting from 553428 its product of digits (4800), we obtain a triangular number (548628 = T₁₀₄₇).

The spelling of 553428 in words is "five hundred fifty-three thousand, four hundred twenty-eight".