545392 has 20 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 268928.

The previous prime is 545387. The next prime is 545429. The reversal of 545392 is 293545.

It is a self number, because there is not a number n which added to its sum of digits gives 545392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁵⁴⁵³⁹² is an apocalyptic number.

It is an amenable number.

545392 is a deficient number, since it is larger than the sum of its proper divisors (525968).

545392 is a wasteful number, since it uses less digits than its factorization.

545392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 545392 is about 738.5066011892. The cubic root of 545392 is about 81.7026709679.

The spelling of 545392 in words is "five hundred forty-five thousand, three hundred ninety-two".