543774 has 48 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 139920.

The previous prime is 543773. The next prime is 543787. The reversal of 543774 is 477345.

It is a zygodrome in base 5.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543774.

It is not an unprimeable number, because it can be changed into a prime (543773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5029 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

543774 is a Friedman number, since it can be written as (5^7-443)*7, using all its digits and the basic arithmetic operations.

2⁵⁴³⁷⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472).

543774 is an abundant number, since it is smaller than the sum of its proper divisors (835170).

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

543774 is a wasteful number, since it uses less digits than its factorization.

543774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 543774 is about 737.4103335322. The cubic root of 543774 is about 81.6217958885.

It can be divided in two parts, 54 and 3774, that added together give a triangular number (3828 = T₈₇).

The spelling of 543774 in words is "five hundred forty-three thousand, seven hundred seventy-four".