542021992 has 16 divisors (see below), whose sum is σ = 1017735300. Its totient is φ = 270625920.

The previous prime is 542021989. The next prime is 542022029. The reversal of 542021992 is 299120245.

It can be written as a sum of positive squares in 2 ways, for example, as 508682916 + 33339076 = 22554^2 + 5774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42109 + ... + 53452.

Almost surely, 2^542021992 is an apocalyptic number.

It is an amenable number.

542021992 is a deficient number, since it is larger than the sum of its proper divisors (475713308).

542021992 is a wasteful number, since it uses less digits than its factorization.

542021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96276 (or 96272 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 542021992 is about 23281.3657674974. The cubic root of 542021992 is about 815.3404135800.

The spelling of 542021992 in words is "five hundred forty-two million, twenty-one thousand, nine hundred ninety-two".