542447858 has 16 divisors (see below), whose sum is σ = 840533760. Its totient is φ = 262282800.

The previous prime is 542447839. The next prime is 542447869. The reversal of 542447858 is 858744245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120488 + ... + 124908.

It is an arithmetic number, because the mean of its divisors is an integer number (52533360).

Almost surely, 2^542447858 is an apocalyptic number.

542447858 is a deficient number, since it is larger than the sum of its proper divisors (298085902).

542447858 is a wasteful number, since it uses less digits than its factorization.

542447858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433.

The product of its digits is 1433600, while the sum is 47.

The square root of 542447858 is about 23290.5100416457. The cubic root of 542447858 is about 815.5538949929.

The spelling of 542447858 in words is "five hundred forty-two million, four hundred forty-seven thousand, eight hundred fifty-eight".