545562 has 16 divisors (see below), whose sum is σ = 1212480. Its totient is φ = 181836.

The previous prime is 545551. The next prime is 545579. The reversal of 545562 is 265545.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (75780).

2⁵⁴⁵⁵⁶² is an apocalyptic number.

545562 is an abundant number, since it is smaller than the sum of its proper divisors (666918).

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

545562 is a wasteful number, since it uses less digits than its factorization.

545562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10108 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 545562 is about 738.6216893647. The cubic root of 545562 is about 81.7111590592.

The spelling of 545562 in words is "five hundred forty-five thousand, five hundred sixty-two".