542563808 has 24 divisors (see below), whose sum is σ = 1070518680. Its totient is φ = 270686080.

The previous prime is 542563799. The next prime is 542563831. The reversal of 542563808 is 808365245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638 + ... + 33141.

It is an arithmetic number, because the mean of its divisors is an integer number (44604945).

Almost surely, 2^542563808 is an apocalyptic number.

It is an amenable number.

542563808 is a deficient number, since it is larger than the sum of its proper divisors (527954872).

542563808 is a wasteful number, since it uses less digits than its factorization.

542563808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37250 (or 37242 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 542563808 is about 23292.9991199073. Note that the first 3 decimals coincide. The cubic root of 542563808 is about 815.6119999553.

Adding to 542563808 its sum of digits (41), we get a square (542563849 = 23293²).

The spelling of 542563808 in words is "five hundred forty-two million, five hundred sixty-three thousand, eight hundred eight".