542857864 has 32 divisors (see below), whose sum is σ = 1052812800. Its totient is φ = 262143360.

The previous prime is 542857811. The next prime is 542857867. The reversal of 542857864 is 468758245.

It is not an unprimeable number, because it can be changed into a prime (542857867) 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, 139189 + ... + 143035.

It is an arithmetic number, because the mean of its divisors is an integer number (32900400).

Almost surely, 2^542857864 is an apocalyptic number.

It is an amenable number.

542857864 is a deficient number, since it is larger than the sum of its proper divisors (509954936).

542857864 is a wasteful number, since it uses less digits than its factorization.

542857864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453 (or 4449 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The square root of 542857864 is about 23299.3103760605. The cubic root of 542857864 is about 815.7593204384.

The spelling of 542857864 in words is "five hundred forty-two million, eight hundred fifty-seven thousand, eight hundred sixty-four".