542698056 has 40 divisors (see below), whose sum is σ = 1520058870. Its totient is φ = 180899136.

The previous prime is 542698031. The next prime is 542698067. The reversal of 542698056 is 650896245.

It can be written as a sum of positive squares in only one way, i.e., 494172900 + 48525156 = 22230^2 + 6966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 418101 + ... + 419396.

Almost surely, 2^542698056 is an apocalyptic number.

It is an amenable number.

542698056 is an abundant number, since it is smaller than the sum of its proper divisors (977360814).

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

542698056 is a wasteful number, since it uses less digits than its factorization.

542698056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837515 (or 837502 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 542698056 is about 23295.8806659031. The cubic root of 542698056 is about 815.6792640869.

The spelling of 542698056 in words is "five hundred forty-two million, six hundred ninety-eight thousand, fifty-six".