545574272 has 64 divisors (see below), whose sum is σ = 1114268400. Its totient is φ = 266010624.

The previous prime is 545574241. The next prime is 545574307. The reversal of 545574272 is 272475545.

It is a tau number, because it is divible by the number of its divisors (64).

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, 945248 + ... + 945824.

Almost surely, 2^545574272 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 545574272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557134200).

545574272 is an abundant number, since it is smaller than the sum of its proper divisors (568694128).

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

545574272 is an equidigital number, since it uses as much as digits as its factorization.

545574272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 751 counting only the distinct ones).

The product of its digits is 392000, while the sum is 41.

The square root of 545574272 is about 23357.5313764105. The cubic root of 545574272 is about 817.1177173127.

The spelling of 545574272 in words is "five hundred forty-five million, five hundred seventy-four thousand, two hundred seventy-two".