542445505 has 16 divisors (see below), whose sum is σ = 744307200. Its totient is φ = 371771712.

The previous prime is 542445481. The next prime is 542445511. The reversal of 542445505 is 505544245.

It is a cyclic number.

It is not a de Polignac number, because 542445505 - 2¹⁵ = 542412737 is a prime.

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, 116971 + ... + 121519.

It is an arithmetic number, because the mean of its divisors is an integer number (46519200).

Almost surely, 2^542445505 is an apocalyptic number.

It is an amenable number.

542445505 is a deficient number, since it is larger than the sum of its proper divisors (201861695).

542445505 is a wasteful number, since it uses less digits than its factorization.

542445505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 542445505 is about 23290.4595274546. The cubic root of 542445505 is about 815.5527157698.

The spelling of 542445505 in words is "five hundred forty-two million, four hundred forty-five thousand, five hundred five".