545768064 has 128 divisors (see below), whose sum is σ = 1635508800. Its totient is φ = 179131392.

The previous prime is 545768059. The next prime is 545768099. The reversal of 545768064 is 460867545.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230374 + ... + 232730.

Almost surely, 2^545768064 is an apocalyptic number.

545768064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545768064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817754400).

545768064 is an abundant number, since it is smaller than the sum of its proper divisors (1089740736).

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

545768064 is a wasteful number, since it uses less digits than its factorization.

545768064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 545768064 is about 23361.6793916876. The cubic root of 545768064 is about 817.2144546036.

The spelling of 545768064 in words is "five hundred forty-five million, seven hundred sixty-eight thousand, sixty-four".