545453568 has 320 divisors, whose sum is σ = 1873808640. Its totient is φ = 154828800.

The previous prime is 545453567. The next prime is 545453569. The reversal of 545453568 is 865354545.

545453568 is a `hidden beast` number, since 5 + 4 + 54 + 535 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (545453567) and next prime (545453569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545453561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2584983 + ... + 2585193.

It is an arithmetic number, because the mean of its divisors is an integer number (5855652).

Almost surely, 2^545453568 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 545453568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936904320).

545453568 is an abundant number, since it is smaller than the sum of its proper divisors (1328355072).

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

545453568 is a wasteful number, since it uses less digits than its factorization.

545453568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 244 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 545453568 is about 23354.9473987847. The cubic root of 545453568 is about 817.0574525870.

The spelling of 545453568 in words is "five hundred forty-five million, four hundred fifty-three thousand, five hundred sixty-eight".