555480 has 48 divisors (see below), whose sum is σ = 1806480. Its totient is φ = 148032.

The previous prime is 555461. The next prime is 555487. The reversal of 555480 is 84555.

555480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555480.

It is not an unprimeable number, because it can be changed into a prime (555487) by changing a digit.

555480 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 11 ways as a sum of consecutive naturals, for example, 412 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (37635).

2⁵⁵⁵⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

555480 is an abundant number, since it is smaller than the sum of its proper divisors (1251000).

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

555480 is a wasteful number, since it uses less digits than its factorization.

555480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 555480 is about 745.3053065691. The cubic root of 555480 is about 82.2033422549.

It can be divided in two parts, 555 and 480, that added together give a triangular number (1035 = T₄₅).

The spelling of 555480 in words is "five hundred fifty-five thousand, four hundred eighty".