545403733 has 4 divisors (see below), whose sum is σ = 623318560. Its totient is φ = 467488908.

The previous prime is 545403731. The next prime is 545403757. The reversal of 545403733 is 337304545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545403733 - 2¹ = 545403731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545403731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38957403 + ... + 38957416.

It is an arithmetic number, because the mean of its divisors is an integer number (155829640).

Almost surely, 2^545403733 is an apocalyptic number.

It is an amenable number.

545403733 is a deficient number, since it is larger than the sum of its proper divisors (77914827).

545403733 is an equidigital number, since it uses as much as digits as its factorization.

545403733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77914826.

The product of its (nonzero) digits is 75600, while the sum is 34.

The square root of 545403733 is about 23353.8804698491. The cubic root of 545403733 is about 817.0325685268.

The spelling of 545403733 in words is "five hundred forty-five million, four hundred three thousand, seven hundred thirty-three".