553480 has 32 divisors (see below), whose sum is σ = 1266840. Its totient is φ = 217600.

The previous prime is 553471. The next prime is 553481. The reversal of 553480 is 84355.

It is a happy number.

553480 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 8836 = 738^2 + 94^2 .

It is a super-2 number, since 2×553480² = 612680220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (553481) by changing a digit.

553480 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 7 ways as a sum of consecutive naturals, for example, 3972 + ... + 4108.

2⁵⁵³⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

553480 is an abundant number, since it is smaller than the sum of its proper divisors (713360).

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

553480 is a wasteful number, since it uses less digits than its factorization.

553480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 553480 is about 743.9623646395. The cubic root of 553480 is about 82.1045661844.

The spelling of 553480 in words is "five hundred fifty-three thousand, four hundred eighty".