545792 has 44 divisors (see below), whose sum is σ = 1203636. Its totient is φ = 245760.

The previous prime is 545791. The next prime is 545827. The reversal of 545792 is 297545.

It can be written as a sum of positive squares in 2 ways, for example, as 50176 + 495616 = 224^2 + 704^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (12600) is a multiple of the sum of its prime divisors (56).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13292 + ... + 13332.

2⁵⁴⁵⁷⁹² is an apocalyptic number.

545792 is a gapful number since it is divisible by the number (52) 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 545792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601818).

545792 is an abundant number, since it is smaller than the sum of its proper divisors (657844).

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

545792 is a wasteful number, since it uses less digits than its factorization.

545792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 56 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 545792 is about 738.7773683594. Note that the first 3 decimals coincide. The cubic root of 545792 is about 81.7226401412.

The spelling of 545792 in words is "five hundred forty-five thousand, seven hundred ninety-two".