545562558 has 96 divisors (see below), whose sum is σ = 1284716160. Its totient is φ = 166924800.

The previous prime is 545562527. The next prime is 545562571. The reversal of 545562558 is 855265545.

545562558 is a `hidden beast` number, since 5 + 45 + 56 + 2 + 558 = 666.

545562558 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 unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 907458 + ... + 908058.

It is an arithmetic number, because the mean of its divisors is an integer number (13382460).

Almost surely, 2^545562558 is an apocalyptic number.

545562558 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545562558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642358080).

545562558 is an abundant number, since it is smaller than the sum of its proper divisors (739153602).

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

545562558 is a wasteful number, since it uses less digits than its factorization.

545562558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 719 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The square root of 545562558 is about 23357.2806208257. The cubic root of 545562558 is about 817.1118691719. Note that the first 3 decimals are identical.

The spelling of 545562558 in words is "five hundred forty-five million, five hundred sixty-two thousand, five hundred fifty-eight".