545616588 has 54 divisors (see below), whose sum is σ = 1401650292. Its totient is φ = 165068640.

The previous prime is 545616571. The next prime is 545616619. The reversal of 545616588 is 885616545.

It is a super-2 number, since 2×545616588² = 595394922201523488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 889770 + ... + 890382.

Almost surely, 2^545616588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545616588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700825146).

545616588 is an abundant number, since it is smaller than the sum of its proper divisors (856033704).

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

545616588 is a wasteful number, since it uses less digits than its factorization.

545616588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 629 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The square root of 545616588 is about 23358.4371908739. The cubic root of 545616588 is about 817.1388426120.

Multiplying 545616588 by its sum of digits (48), we get a square (26189596224 = 161832²).

The spelling of 545616588 in words is "five hundred forty-five million, six hundred sixteen thousand, five hundred eighty-eight".