545864832 has 320 divisors, whose sum is σ = 1821679200. Its totient is φ = 161243136.

The previous prime is 545864791. The next prime is 545864843. The reversal of 545864832 is 238468545.

Its product of digits (921600) is a multiple of the sum of its prime factors (225).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3348783 + ... + 3348945.

Almost surely, 2^545864832 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 545864832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910839600).

545864832 is an abundant number, since it is smaller than the sum of its proper divisors (1275814368).

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

545864832 is a wasteful number, since it uses less digits than its factorization.

545864832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 204 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 545864832 is about 23363.7503838746. The cubic root of 545864832 is about 817.2627507818.

The spelling of 545864832 in words is "five hundred forty-five million, eight hundred sixty-four thousand, eight hundred thirty-two".