545056864 has 48 divisors (see below), whose sum is σ = 1173021696. Its totient is φ = 247248000.

The previous prime is 545056861. The next prime is 545056867. The reversal of 545056864 is 468650545.

It is an interprime number because it is at equal distance from previous prime (545056861) and next prime (545056867).

It is a self number, because there is not a number n which added to its sum of digits gives 545056864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545056861) 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, 212389 + ... + 214939.

It is an arithmetic number, because the mean of its divisors is an integer number (24437952).

Almost surely, 2^545056864 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 545056864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586510848).

545056864 is an abundant number, since it is smaller than the sum of its proper divisors (627964832).

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

545056864 is a wasteful number, since it uses less digits than its factorization.

545056864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 545056864 is about 23346.4529211613. The cubic root of 545056864 is about 816.8593247722.

The spelling of 545056864 in words is "five hundred forty-five million, fifty-six thousand, eight hundred sixty-four".