542745566 has 16 divisors (see below), whose sum is σ = 907027200. Its totient is φ = 241453080.

The previous prime is 542745557. The next prime is 542745569. The reversal of 542745566 is 665547245.

542745566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542745569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261416 + ... + 263483.

It is an arithmetic number, because the mean of its divisors is an integer number (56689200).

Almost surely, 2^542745566 is an apocalyptic number.

542745566 is a deficient number, since it is larger than the sum of its proper divisors (364281634).

542745566 is a wasteful number, since it uses less digits than its factorization.

542745566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524959.

The product of its digits is 1008000, while the sum is 44.

The square root of 542745566 is about 23296.9003517635. The cubic root of 542745566 is about 815.7030660216.

The spelling of 542745566 in words is "five hundred forty-two million, seven hundred forty-five thousand, five hundred sixty-six".