542322566 has 32 divisors (see below), whose sum is σ = 879372288. Its totient is φ = 250206880.

The previous prime is 542322551. The next prime is 542322607. The reversal of 542322566 is 665223245.

It is a super-2 number, since 2×542322566² = 588227531185648712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151736 + ... + 155268.

It is an arithmetic number, because the mean of its divisors is an integer number (27480384).

Almost surely, 2^542322566 is an apocalyptic number.

542322566 is a deficient number, since it is larger than the sum of its proper divisors (337049722).

542322566 is a wasteful number, since it uses less digits than its factorization.

542322566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676.

The product of its digits is 86400, while the sum is 35.

The square root of 542322566 is about 23287.8201212565. The cubic root of 542322566 is about 815.4910992511.

The spelling of 542322566 in words is "five hundred forty-two million, three hundred twenty-two thousand, five hundred sixty-six".