542545432 has 72 divisors (see below), whose sum is σ = 1208008620. Its totient is φ = 226449600.

The previous prime is 542545403. The next prime is 542545447. The reversal of 542545432 is 234545245.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 2840457 + ... + 2840647.

Almost surely, 2^542545432 is an apocalyptic number.

542545432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542545432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604004310).

542545432 is an abundant number, since it is smaller than the sum of its proper divisors (665463188).

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

542545432 is a wasteful number, since it uses less digits than its factorization.

542545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 217 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 542545432 is about 23292.6046632832. The cubic root of 542545432 is about 815.6027919106.

The spelling of 542545432 in words is "five hundred forty-two million, five hundred forty-five thousand, four hundred thirty-two".