542520656 has 20 divisors (see below), whose sum is σ = 1065940704. Its totient is φ = 267439200.

The previous prime is 542520653. The next prime is 542520683. The reversal of 542520656 is 656025245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542520653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 237650 + ... + 239921.

Almost surely, 2^542520656 is an apocalyptic number.

It is an amenable number.

542520656 is a deficient number, since it is larger than the sum of its proper divisors (523420048).

542520656 is a wasteful number, since it uses less digits than its factorization.

542520656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477650 (or 477644 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 542520656 is about 23292.0728145865. The cubic root of 542520656 is about 815.5903765556.

The spelling of 542520656 in words is "five hundred forty-two million, five hundred twenty thousand, six hundred fifty-six".