545542252 has 12 divisors (see below), whose sum is σ = 954994320. Its totient is φ = 272686736.

The previous prime is 545542243. The next prime is 545542253. The reversal of 545542252 is 252245545.

It is a super-3 number, since 3×545542252³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (545542253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5227 + ... + 33442.

It is an arithmetic number, because the mean of its divisors is an integer number (79582860).

Almost surely, 2^545542252 is an apocalyptic number.

It is an amenable number.

545542252 is a deficient number, since it is larger than the sum of its proper divisors (409452068).

545542252 is a wasteful number, since it uses less digits than its factorization.

545542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42200 (or 42198 counting only the distinct ones).

The product of its digits is 80000, while the sum is 34.

The square root of 545542252 is about 23356.8459343294. The cubic root of 545542252 is about 817.1017313309.

Adding to 545542252 its reverse (252245545), we get a palindrome (797787797).

The spelling of 545542252 in words is "five hundred forty-five million, five hundred forty-two thousand, two hundred fifty-two".