545752 has 8 divisors (see below), whose sum is σ = 1023300. Its totient is φ = 272872.

The previous prime is 545749. The next prime is 545759. The reversal of 545752 is 257545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 545752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34102 + ... + 34117.

2⁵⁴⁵⁷⁵² is an apocalyptic number.

It is an amenable number.

545752 is a deficient number, since it is larger than the sum of its proper divisors (477548).

545752 is a wasteful number, since it uses less digits than its factorization.

545752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68225 (or 68221 counting only the distinct ones).

The product of its digits is 7000, while the sum is 28.

The square root of 545752 is about 738.7502961082. The cubic root of 545752 is about 81.7206436630.

The spelling of 545752 in words is "five hundred forty-five thousand, seven hundred fifty-two".