545523523 has 32 divisors (see below), whose sum is σ = 620656128. Its totient is φ = 476928000.

The previous prime is 545523521. The next prime is 545523529. The reversal of 545523523 is 325325545.

It is a cyclic number.

It is not a de Polignac number, because 545523523 - 2¹ = 545523521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545523521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1969261 + ... + 1969537.

It is an arithmetic number, because the mean of its divisors is an integer number (19395504).

Almost surely, 2^545523523 is an apocalyptic number.

545523523 is a deficient number, since it is larger than the sum of its proper divisors (75132605).

545523523 is a wasteful number, since it uses less digits than its factorization.

545523523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 90000, while the sum is 34.

The square root of 545523523 is about 23356.4449991860. Note that the first 3 decimals coincide. The cubic root of 545523523 is about 817.0923805895.

The spelling of 545523523 in words is "five hundred forty-five million, five hundred twenty-three thousand, five hundred twenty-three".