553904 has 20 divisors (see below), whose sum is σ = 1156176. Its totient is φ = 255552.

The previous prime is 553901. The next prime is 553919. The reversal of 553904 is 409355.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (553901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124 + ... + 1539.

2⁵⁵³⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

553904 is an abundant number, since it is smaller than the sum of its proper divisors (602272).

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

553904 is a wasteful number, since it uses less digits than its factorization.

553904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 553904 is about 744.2472707374. The cubic root of 553904 is about 82.1255265626.

Subtracting from 553904 its sum of digits (26), we obtain a triangular number (553878 = T₁₀₅₂).

The spelling of 553904 in words is "five hundred fifty-three thousand, nine hundred four".