542845885 has 16 divisors (see below), whose sum is σ = 689059584. Its totient is φ = 409698432.

The previous prime is 542845861. The next prime is 542845913. The reversal of 542845885 is 588548245.

It is a cyclic number.

It is not a de Polignac number, because 542845885 - 2¹⁷ = 542714813 is a prime.

It is a super-2 number, since 2×542845885² = 589363309722866450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23937 + ... + 40726.

It is an arithmetic number, because the mean of its divisors is an integer number (43066224).

Almost surely, 2^542845885 is an apocalyptic number.

It is an amenable number.

542845885 is a deficient number, since it is larger than the sum of its proper divisors (146213699).

542845885 is a wasteful number, since it uses less digits than its factorization.

542845885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64764.

The product of its digits is 2048000, while the sum is 49.

The square root of 542845885 is about 23299.0533069479. The cubic root of 542845885 is about 815.7533200631.

The spelling of 542845885 in words is "five hundred forty-two million, eight hundred forty-five thousand, eight hundred eighty-five".