542558834 has 4 divisors (see below), whose sum is σ = 813838254. Its totient is φ = 271279416.

The previous prime is 542558833. The next prime is 542558837. The reversal of 542558834 is 438855245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 439028209 + 103530625 = 20953^2 + 10175^2 .

It is not an unprimeable number, because it can be changed into a prime (542558833) by changing a digit.

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 as a sum of consecutive naturals, namely, 135639707 + ... + 135639710.

Almost surely, 2^542558834 is an apocalyptic number.

542558834 is a deficient number, since it is larger than the sum of its proper divisors (271279420).

542558834 is a wasteful number, since it uses less digits than its factorization.

542558834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271279419.

The product of its digits is 768000, while the sum is 44.

The square root of 542558834 is about 23292.8923493842. The cubic root of 542558834 is about 815.6095075501.

The spelling of 542558834 in words is "five hundred forty-two million, five hundred fifty-eight thousand, eight hundred thirty-four".