542123562 has 16 divisors (see below), whose sum is σ = 1086625152. Its totient is φ = 180311520.

The previous prime is 542123551. The next prime is 542123563. The reversal of 542123562 is 265321245.

It is not an unprimeable number, because it can be changed into a prime (542123563) 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, 96114 + ... + 101597.

It is an arithmetic number, because the mean of its divisors is an integer number (67914072).

Almost surely, 2^542123562 is an apocalyptic number.

542123562 is an abundant number, since it is smaller than the sum of its proper divisors (544501590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542123562 is a wasteful number, since it uses less digits than its factorization.

542123562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198173.

The product of its digits is 14400, while the sum is 30.

The square root of 542123562 is about 23283.5470235959. The cubic root of 542123562 is about 815.3913395293.

The spelling of 542123562 in words is "five hundred forty-two million, one hundred twenty-three thousand, five hundred sixty-two".