545523012 has 60 divisors (see below), whose sum is σ = 1428489216. Its totient is φ = 181537200.

The previous prime is 545523001. The next prime is 545523019. The reversal of 545523012 is 210325545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (545523019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278637 + ... + 280587.

Almost surely, 2^545523012 is an apocalyptic number.

It is an amenable number.

545523012 is an abundant number, since it is smaller than the sum of its proper divisors (882966204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545523012 is a wasteful number, since it uses less digits than its factorization.

545523012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 545523012 is about 23356.4340600187. The cubic root of 545523012 is about 817.0921254619.

Adding to 545523012 its reverse (210325545), we get a palindrome (755848557).

The spelling of 545523012 in words is "five hundred forty-five million, five hundred twenty-three thousand, twelve".