545383 has 8 divisors (see below), whose sum is σ = 573056. Its totient is φ = 518400.

The previous prime is 545371. The next prime is 545387. The reversal of 545383 is 383545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545383 - 2¹³ = 537191 is a prime.

It is the 739-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545387) by changing a digit.

It is a nontrivial repunit in base 738.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (71632).

2⁵⁴⁵³⁸³ is an apocalyptic number.

545383 is a deficient number, since it is larger than the sum of its proper divisors (27673).

545383 is a wasteful number, since it uses less digits than its factorization.

545383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 7200, while the sum is 28.

The square root of 545383 is about 738.5005077859. The cubic root of 545383 is about 81.7022215492.

The spelling of 545383 in words is "five hundred forty-five thousand, three hundred eighty-three".