545344856 has 32 divisors (see below), whose sum is σ = 1174551840. Its totient is φ = 232528128.

The previous prime is 545344843. The next prime is 545344871. The reversal of 545344856 is 658443545.

It is a congruent number.

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, 13685 + ... + 35748.

It is an arithmetic number, because the mean of its divisors is an integer number (36704745).

Almost surely, 2^545344856 is an apocalyptic number.

545344856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

545344856 is an abundant number, since it is smaller than the sum of its proper divisors (629206984).

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

545344856 is a wasteful number, since it uses less digits than its factorization.

545344856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49643 (or 49639 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

The square root of 545344856 is about 23352.6198958489. The cubic root of 545344856 is about 817.0031675805.

The spelling of 545344856 in words is "five hundred forty-five million, three hundred forty-four thousand, eight hundred fifty-six".