505554 has 16 divisors (see below), whose sum is σ = 1155648. Its totient is φ = 144432.

The previous prime is 505537. The next prime is 505559. The reversal of 505554 is 455505.

505554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505554.

It is not an unprimeable number, because it can be changed into a prime (505559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5977 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (72228).

2⁵⁰⁵⁵⁵⁴ is an apocalyptic number.

505554 is an abundant number, since it is smaller than the sum of its proper divisors (650094).

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

505554 is a wasteful number, since it uses less digits than its factorization.

505554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 505554 is about 711.0232063723. The cubic root of 505554 is about 79.6628519694.

The spelling of 505554 in words is "five hundred five thousand, five hundred fifty-four".