545324553 has 24 divisors (see below), whose sum is σ = 802680840. Its totient is φ = 356697600.

The previous prime is 545324543. The next prime is 545324557. The reversal of 545324553 is 355423545.

545324553 is a `hidden beast` number, since 54 + 53 + 2 + 4 + 553 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 545315904 = 93^2 + 23352^2 .

It is not a de Polignac number, because 545324553 - 2⁹ = 545324041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545324557) 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 23 ways as a sum of consecutive naturals, for example, 100063 + ... + 105371.

It is an arithmetic number, because the mean of its divisors is an integer number (33445035).

Almost surely, 2^545324553 is an apocalyptic number.

It is an amenable number.

545324553 is a deficient number, since it is larger than the sum of its proper divisors (257356287).

545324553 is a wasteful number, since it uses less digits than its factorization.

545324553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529 (or 5526 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 545324553 is about 23352.1851868299. The cubic root of 545324553 is about 816.9930285397.

The spelling of 545324553 in words is "five hundred forty-five million, three hundred twenty-four thousand, five hundred fifty-three".