545209754 has 16 divisors (see below), whose sum is σ = 866892456. Its totient is φ = 256281600.

The previous prime is 545209739. The next prime is 545209757. The reversal of 545209754 is 457902545.

It can be written as a sum of positive squares in 4 ways, for example, as 543589225 + 1620529 = 23315^2 + 1273^2 .

It is not an unprimeable number, because it can be changed into a prime (545209757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23474 + ... + 40514.

Almost surely, 2^545209754 is an apocalyptic number.

545209754 is a deficient number, since it is larger than the sum of its proper divisors (321682702).

545209754 is a wasteful number, since it uses less digits than its factorization.

545209754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 545209754 is about 23349.7270647860. The cubic root of 545209754 is about 816.9356947530.

The spelling of 545209754 in words is "five hundred forty-five million, two hundred nine thousand, seven hundred fifty-four".