542455922 has 18 divisors (see below), whose sum is σ = 835227567. Its totient is φ = 264228636.

The previous prime is 542455889. The next prime is 542455931. The reversal of 542455922 is 229554245.

It can be written as a sum of positive squares in only one way, i.e., 271227961 + 271227961 = 16469^2 + 16469^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=16469.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1416143 + ... + 1416525.

Almost surely, 2^542455922 is an apocalyptic number.

542455922 is a deficient number, since it is larger than the sum of its proper divisors (292771645).

542455922 is an frugal number, since it uses more digits than its factorization.

542455922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 428 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 542455922 is about 23290.6831587225. The cubic root of 542455922 is about 815.5579362993.

The spelling of 542455922 in words is "five hundred forty-two million, four hundred fifty-five thousand, nine hundred twenty-two".