542533112 has 64 divisors (see below), whose sum is σ = 1130025600. Its totient is φ = 242144640.

The previous prime is 542533111. The next prime is 542533129. The reversal of 542533112 is 211335245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542533111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563323 + ... + 1563669.

It is an arithmetic number, because the mean of its divisors is an integer number (17656650).

Almost surely, 2^542533112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542533112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565012800).

542533112 is an abundant number, since it is smaller than the sum of its proper divisors (587492488).

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

542533112 is a wasteful number, since it uses less digits than its factorization.

542533112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 542533112 is about 23292.3402001602. The cubic root of 542533112 is about 815.5966183554.

Adding to 542533112 its reverse (211335245), we get a palindrome (753868357).

The spelling of 542533112 in words is "five hundred forty-two million, five hundred thirty-three thousand, one hundred twelve".